77519920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 188023680

約数和(自身を除く): 110503760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 53, 80, 94, 106, 188, 212, 235, 265, 376, 389, 424, 470, 530, 752, 778, 848, 940, 1060, 1556, 1880, 1945, 2120, 2491, 3112, 3760, 3890, 4240, 4982, 6224, 7780, 9964, 12455, 15560, 18283, 19928, 20617, 24910, 31120, 36566, 39856, 41234, 49820, 73132, 82468, 91415, 99640, 103085, 146264, 164936, 182830, 199280, 206170, 292528, 329872, 365660, 412340, 731320, 824680, 968999, 1462640, 1649360, 1937998, 3875996, 4844995, 7751992, 9689990, 15503984, 19379980, 38759960, 77519920]

約数ペア:

[(1, 77519920), (2, 38759960), (4, 19379980), (5, 15503984), (8, 9689990), (10, 7751992), (16, 4844995), (20, 3875996), (40, 1937998), (47, 1649360), (53, 1462640), (80, 968999), (94, 824680), (106, 731320), (188, 412340), (212, 365660), (235, 329872), (265, 292528), (376, 206170), (389, 199280), (424, 182830), (470, 164936), (530, 146264), (752, 103085), (778, 99640), (848, 91415), (940, 82468), (1060, 73132), (1556, 49820), (1880, 41234), (1945, 39856), (2120, 36566), (2491, 31120), (3112, 24910), (3760, 20617), (3890, 19928), (4240, 18283), (4982, 15560), (6224, 12455), (7780, 9964)]