31392920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{827}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 77202720

約数和(自身を除く): 45809800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 827, 949, 1460, 1654, 1898, 2920, 3308, 3796, 4135, 4745, 6616, 7592, 8270, 9490, 10751, 16540, 18980, 21502, 33080, 37960, 43004, 53755, 60371, 86008, 107510, 120742, 215020, 241484, 301855, 430040, 482968, 603710, 784823, 1207420, 1569646, 2414840, 3139292, 3924115, 6278584, 7848230, 15696460, 31392920]

約数ペア:

[(1, 31392920), (2, 15696460), (4, 7848230), (5, 6278584), (8, 3924115), (10, 3139292), (13, 2414840), (20, 1569646), (26, 1207420), (40, 784823), (52, 603710), (65, 482968), (73, 430040), (104, 301855), (130, 241484), (146, 215020), (260, 120742), (292, 107510), (365, 86008), (520, 60371), (584, 53755), (730, 43004), (827, 37960), (949, 33080), (1460, 21502), (1654, 18980), (1898, 16540), (2920, 10751), (3308, 9490), (3796, 8270), (4135, 7592), (4745, 6616)]