4144040

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 9387360

約数和(自身を除く): 5243320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 491, 844, 982, 1055, 1688, 1964, 2110, 2455, 3928, 4220, 4910, 8440, 9820, 19640, 103601, 207202, 414404, 518005, 828808, 1036010, 2072020, 4144040]

約数ペア:

[(1, 4144040), (2, 2072020), (4, 1036010), (5, 828808), (8, 518005), (10, 414404), (20, 207202), (40, 103601), (211, 19640), (422, 9820), (491, 8440), (844, 4910), (982, 4220), (1055, 3928), (1688, 2455), (1964, 2110)]