79727320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 185068800

約数和(自身を除く): 105341480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 71, 134, 142, 268, 284, 335, 355, 419, 536, 568, 670, 710, 838, 1340, 1420, 1676, 2095, 2680, 2840, 3352, 4190, 4757, 8380, 9514, 16760, 19028, 23785, 28073, 29749, 38056, 47570, 56146, 59498, 95140, 112292, 118996, 140365, 148745, 190280, 224584, 237992, 280730, 297490, 561460, 594980, 1122920, 1189960, 1993183, 3986366, 7972732, 9965915, 15945464, 19931830, 39863660, 79727320]

約数ペア:

[(1, 79727320), (2, 39863660), (4, 19931830), (5, 15945464), (8, 9965915), (10, 7972732), (20, 3986366), (40, 1993183), (67, 1189960), (71, 1122920), (134, 594980), (142, 561460), (268, 297490), (284, 280730), (335, 237992), (355, 224584), (419, 190280), (536, 148745), (568, 140365), (670, 118996), (710, 112292), (838, 95140), (1340, 59498), (1420, 56146), (1676, 47570), (2095, 38056), (2680, 29749), (2840, 28073), (3352, 23785), (4190, 19028), (4757, 16760), (8380, 9514)]