26940580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 61891200

約数和(自身を除く): 34950620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 79, 85, 118, 158, 170, 236, 289, 295, 316, 340, 395, 578, 590, 790, 1003, 1156, 1180, 1343, 1445, 1580, 2006, 2686, 2890, 4012, 4661, 5015, 5372, 5780, 6715, 9322, 10030, 13430, 17051, 18644, 20060, 22831, 23305, 26860, 34102, 45662, 46610, 68204, 79237, 85255, 91324, 93220, 114155, 158474, 170510, 228310, 316948, 341020, 396185, 456620, 792370, 1347029, 1584740, 2694058, 5388116, 6735145, 13470290, 26940580]

約数ペア:

[(1, 26940580), (2, 13470290), (4, 6735145), (5, 5388116), (10, 2694058), (17, 1584740), (20, 1347029), (34, 792370), (59, 456620), (68, 396185), (79, 341020), (85, 316948), (118, 228310), (158, 170510), (170, 158474), (236, 114155), (289, 93220), (295, 91324), (316, 85255), (340, 79237), (395, 68204), (578, 46610), (590, 45662), (790, 34102), (1003, 26860), (1156, 23305), (1180, 22831), (1343, 20060), (1445, 18644), (1580, 17051), (2006, 13430), (2686, 10030), (2890, 9322), (4012, 6715), (4661, 5780), (5015, 5372)]