51838480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 125866944

約数和(自身を除く): 74028464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 83, 148, 166, 185, 211, 296, 332, 370, 415, 422, 592, 664, 740, 830, 844, 1055, 1328, 1480, 1660, 1688, 2110, 2960, 3071, 3320, 3376, 4220, 6142, 6640, 7807, 8440, 12284, 15355, 15614, 16880, 17513, 24568, 30710, 31228, 35026, 39035, 49136, 61420, 62456, 70052, 78070, 87565, 122840, 124912, 140104, 156140, 175130, 245680, 280208, 312280, 350260, 624560, 647981, 700520, 1295962, 1401040, 2591924, 3239905, 5183848, 6479810, 10367696, 12959620, 25919240, 51838480]

約数ペア:

[(1, 51838480), (2, 25919240), (4, 12959620), (5, 10367696), (8, 6479810), (10, 5183848), (16, 3239905), (20, 2591924), (37, 1401040), (40, 1295962), (74, 700520), (80, 647981), (83, 624560), (148, 350260), (166, 312280), (185, 280208), (211, 245680), (296, 175130), (332, 156140), (370, 140104), (415, 124912), (422, 122840), (592, 87565), (664, 78070), (740, 70052), (830, 62456), (844, 61420), (1055, 49136), (1328, 39035), (1480, 35026), (1660, 31228), (1688, 30710), (2110, 24568), (2960, 17513), (3071, 16880), (3320, 15614), (3376, 15355), (4220, 12284), (6142, 8440), (6640, 7807)]