78519920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:738

約数の個数: 80

約数和(自身を含む): 192362688

約数和(自身を除く): 113842768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 41, 74, 80, 82, 148, 164, 185, 205, 296, 328, 370, 410, 592, 647, 656, 740, 820, 1294, 1480, 1517, 1640, 2588, 2960, 3034, 3235, 3280, 5176, 6068, 6470, 7585, 10352, 12136, 12940, 15170, 23939, 24272, 25880, 26527, 30340, 47878, 51760, 53054, 60680, 95756, 106108, 119695, 121360, 132635, 191512, 212216, 239390, 265270, 383024, 424432, 478780, 530540, 957560, 981499, 1061080, 1915120, 1962998, 2122160, 3925996, 4907495, 7851992, 9814990, 15703984, 19629980, 39259960, 78519920]

約数ペア:

[(1, 78519920), (2, 39259960), (4, 19629980), (5, 15703984), (8, 9814990), (10, 7851992), (16, 4907495), (20, 3925996), (37, 2122160), (40, 1962998), (41, 1915120), (74, 1061080), (80, 981499), (82, 957560), (148, 530540), (164, 478780), (185, 424432), (205, 383024), (296, 265270), (328, 239390), (370, 212216), (410, 191512), (592, 132635), (647, 121360), (656, 119695), (740, 106108), (820, 95756), (1294, 60680), (1480, 53054), (1517, 51760), (1640, 47878), (2588, 30340), (2960, 26527), (3034, 25880), (3235, 24272), (3280, 23939), (5176, 15170), (6068, 12940), (6470, 12136), (7585, 10352)]