2080778540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 4698570240

約数和(自身を除く): 2617791700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 233, 284, 331, 355, 380, 466, 662, 710, 932, 1165, 1324, 1349, 1420, 1655, 2330, 2698, 3310, 4427, 4660, 5396, 6289, 6620, 6745, 8854, 12578, 13490, 16543, 17708, 22135, 23501, 25156, 26980, 31445, 33086, 44270, 47002, 62890, 66172, 77123, 82715, 88540, 94004, 117505, 125780, 154246, 165430, 235010, 308492, 314317, 330860, 385615, 446519, 470020, 628634, 771230, 893038, 1257268, 1465337, 1542460, 1571585, 1786076, 2232595, 2930674, 3143170, 4465190, 5475733, 5861348, 6286340, 7326685, 8930380, 10951466, 14653370, 21902932, 27378665, 29306740, 54757330, 104038927, 109514660, 208077854, 416155708, 520194635, 1040389270, 2080778540]

約数ペア:

[(1, 2080778540), (2, 1040389270), (4, 520194635), (5, 416155708), (10, 208077854), (19, 109514660), (20, 104038927), (38, 54757330), (71, 29306740), (76, 27378665), (95, 21902932), (142, 14653370), (190, 10951466), (233, 8930380), (284, 7326685), (331, 6286340), (355, 5861348), (380, 5475733), (466, 4465190), (662, 3143170), (710, 2930674), (932, 2232595), (1165, 1786076), (1324, 1571585), (1349, 1542460), (1420, 1465337), (1655, 1257268), (2330, 893038), (2698, 771230), (3310, 628634), (4427, 470020), (4660, 446519), (5396, 385615), (6289, 330860), (6620, 314317), (6745, 308492), (8854, 235010), (12578, 165430), (13490, 154246), (16543, 125780), (17708, 117505), (22135, 94004), (23501, 88540), (25156, 82715), (26980, 77123), (31445, 66172), (33086, 62890), (44270, 47002)]