72734440

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5923}}^1$

素因数の和:6241

約数の個数: 32

約数和(自身を含む): 164213280

約数和(自身を除く): 91478840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 5923, 6140, 11846, 12280, 23692, 29615, 47384, 59230, 118460, 236920, 1818361, 3636722, 7273444, 9091805, 14546888, 18183610, 36367220, 72734440]

約数ペア:

[(1, 72734440), (2, 36367220), (4, 18183610), (5, 14546888), (8, 9091805), (10, 7273444), (20, 3636722), (40, 1818361), (307, 236920), (614, 118460), (1228, 59230), (1535, 47384), (2456, 29615), (3070, 23692), (5923, 12280), (6140, 11846)]