25919240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 60903360

約数和(自身を除く): 34984120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 83, 148, 166, 185, 211, 296, 332, 370, 415, 422, 664, 740, 830, 844, 1055, 1480, 1660, 1688, 2110, 3071, 3320, 4220, 6142, 7807, 8440, 12284, 15355, 15614, 17513, 24568, 30710, 31228, 35026, 39035, 61420, 62456, 70052, 78070, 87565, 122840, 140104, 156140, 175130, 312280, 350260, 647981, 700520, 1295962, 2591924, 3239905, 5183848, 6479810, 12959620, 25919240]

約数ペア:

[(1, 25919240), (2, 12959620), (4, 6479810), (5, 5183848), (8, 3239905), (10, 2591924), (20, 1295962), (37, 700520), (40, 647981), (74, 350260), (83, 312280), (148, 175130), (166, 156140), (185, 140104), (211, 122840), (296, 87565), (332, 78070), (370, 70052), (415, 62456), (422, 61420), (664, 39035), (740, 35026), (830, 31228), (844, 30710), (1055, 24568), (1480, 17513), (1660, 15614), (1688, 15355), (2110, 12284), (3071, 8440), (3320, 7807), (4220, 6142)]