4986280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 12418560

約数和(自身を除く): 7432280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 223, 260, 344, 430, 446, 520, 559, 860, 892, 1115, 1118, 1720, 1784, 2230, 2236, 2795, 2899, 4460, 4472, 5590, 5798, 8920, 9589, 11180, 11596, 14495, 19178, 22360, 23192, 28990, 38356, 47945, 57980, 76712, 95890, 115960, 124657, 191780, 249314, 383560, 498628, 623285, 997256, 1246570, 2493140, 4986280]

約数ペア:

[(1, 4986280), (2, 2493140), (4, 1246570), (5, 997256), (8, 623285), (10, 498628), (13, 383560), (20, 249314), (26, 191780), (40, 124657), (43, 115960), (52, 95890), (65, 76712), (86, 57980), (104, 47945), (130, 38356), (172, 28990), (215, 23192), (223, 22360), (260, 19178), (344, 14495), (430, 11596), (446, 11180), (520, 9589), (559, 8920), (860, 5798), (892, 5590), (1115, 4472), (1118, 4460), (1720, 2899), (1784, 2795), (2230, 2236)]