61320040

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{6361}}^1$

素因数の和:6613

約数の個数: 32

約数和(自身を含む): 138564360

約数和(自身を除く): 77244320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 6361, 9640, 12722, 25444, 31805, 50888, 63610, 127220, 254440, 1533001, 3066002, 6132004, 7665005, 12264008, 15330010, 30660020, 61320040]

約数ペア:

[(1, 61320040), (2, 30660020), (4, 15330010), (5, 12264008), (8, 7665005), (10, 6132004), (20, 3066002), (40, 1533001), (241, 254440), (482, 127220), (964, 63610), (1205, 50888), (1928, 31805), (2410, 25444), (4820, 12722), (6361, 9640)]