2494280

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 5667840

約数和(自身を除く): 3173560

約数列:

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

約数ペア:

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