9890920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 25038720

約数和(自身を除く): 15147800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 827, 920, 1196, 1495, 1654, 2392, 2990, 3308, 4135, 5980, 6616, 8270, 10751, 11960, 16540, 19021, 21502, 33080, 38042, 43004, 53755, 76084, 86008, 95105, 107510, 152168, 190210, 215020, 247273, 380420, 430040, 494546, 760840, 989092, 1236365, 1978184, 2472730, 4945460, 9890920]

約数ペア:

[(1, 9890920), (2, 4945460), (4, 2472730), (5, 1978184), (8, 1236365), (10, 989092), (13, 760840), (20, 494546), (23, 430040), (26, 380420), (40, 247273), (46, 215020), (52, 190210), (65, 152168), (92, 107510), (104, 95105), (115, 86008), (130, 76084), (184, 53755), (230, 43004), (260, 38042), (299, 33080), (460, 21502), (520, 19021), (598, 16540), (827, 11960), (920, 10751), (1196, 8270), (1495, 6616), (1654, 5980), (2392, 4135), (2990, 3308)]