4988560

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 11713536

約数和(自身を除く): 6724976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 491, 508, 635, 982, 1016, 1270, 1964, 2032, 2455, 2540, 3928, 4910, 5080, 7856, 9820, 10160, 19640, 39280, 62357, 124714, 249428, 311785, 498856, 623570, 997712, 1247140, 2494280, 4988560]

約数ペア:

[(1, 4988560), (2, 2494280), (4, 1247140), (5, 997712), (8, 623570), (10, 498856), (16, 311785), (20, 249428), (40, 124714), (80, 62357), (127, 39280), (254, 19640), (491, 10160), (508, 9820), (635, 7856), (982, 5080), (1016, 4910), (1270, 3928), (1964, 2540), (2032, 2455)]