26288020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 63751968

約数和(自身を除く): 37463948

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 331, 361, 380, 418, 662, 722, 836, 1045, 1324, 1444, 1655, 1805, 2090, 3310, 3610, 3641, 3971, 4180, 6289, 6620, 7220, 7282, 7942, 12578, 14564, 15884, 18205, 19855, 25156, 31445, 36410, 39710, 62890, 69179, 72820, 79420, 119491, 125780, 138358, 238982, 276716, 345895, 477964, 597455, 691790, 1194910, 1314401, 1383580, 2389820, 2628802, 5257604, 6572005, 13144010, 26288020]

約数ペア:

[(1, 26288020), (2, 13144010), (4, 6572005), (5, 5257604), (10, 2628802), (11, 2389820), (19, 1383580), (20, 1314401), (22, 1194910), (38, 691790), (44, 597455), (55, 477964), (76, 345895), (95, 276716), (110, 238982), (190, 138358), (209, 125780), (220, 119491), (331, 79420), (361, 72820), (380, 69179), (418, 62890), (662, 39710), (722, 36410), (836, 31445), (1045, 25156), (1324, 19855), (1444, 18205), (1655, 15884), (1805, 14564), (2090, 12578), (3310, 7942), (3610, 7282), (3641, 7220), (3971, 6620), (4180, 6289)]