20092778680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1\times {\mathrm{577}}^1$

素因数の和:1169

約数の個数: 128

約数和(自身を含む): 49185118080

約数和(自身を除く): 29092339400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 401, 520, 577, 668, 802, 835, 1154, 1336, 1604, 1670, 2005, 2171, 2308, 2885, 3208, 3340, 4010, 4342, 4616, 5213, 5770, 6680, 7501, 8020, 8684, 10426, 10855, 11540, 15002, 16040, 17368, 20852, 21710, 23080, 26065, 30004, 37505, 41704, 43420, 52130, 60008, 66967, 75010, 86840, 96359, 104260, 133934, 150020, 192718, 208520, 231377, 267868, 300040, 334835, 385436, 462754, 481795, 535736, 669670, 770872, 870571, 925508, 963590, 1156885, 1252667, 1339340, 1741142, 1851016, 1927180, 2313770, 2505334, 2678680, 3007901, 3482284, 3854360, 4352855, 4627540, 5010668, 6015802, 6263335, 6964568, 8705710, 9255080, 10021336, 12031604, 12526670, 15039505, 17411420, 24063208, 25053340, 30079010, 34822840, 38639959, 50106680, 60158020, 77279918, 120316040, 154559836, 193199795, 309119672, 386399590, 502319467, 772799180, 1004638934, 1545598360, 2009277868, 2511597335, 4018555736, 5023194670, 10046389340, 20092778680]

約数ペア:

[(1, 20092778680), (2, 10046389340), (4, 5023194670), (5, 4018555736), (8, 2511597335), (10, 2009277868), (13, 1545598360), (20, 1004638934), (26, 772799180), (40, 502319467), (52, 386399590), (65, 309119672), (104, 193199795), (130, 154559836), (167, 120316040), (260, 77279918), (334, 60158020), (401, 50106680), (520, 38639959), (577, 34822840), (668, 30079010), (802, 25053340), (835, 24063208), (1154, 17411420), (1336, 15039505), (1604, 12526670), (1670, 12031604), (2005, 10021336), (2171, 9255080), (2308, 8705710), (2885, 6964568), (3208, 6263335), (3340, 6015802), (4010, 5010668), (4342, 4627540), (4616, 4352855), (5213, 3854360), (5770, 3482284), (6680, 3007901), (7501, 2678680), (8020, 2505334), (8684, 2313770), (10426, 1927180), (10855, 1851016), (11540, 1741142), (15002, 1339340), (16040, 1252667), (17368, 1156885), (20852, 963590), (21710, 925508), (23080, 870571), (26065, 770872), (30004, 669670), (37505, 535736), (41704, 481795), (43420, 462754), (52130, 385436), (60008, 334835), (66967, 300040), (75010, 267868), (86840, 231377), (96359, 208520), (104260, 192718), (133934, 150020)]