72927920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70123}}^1$

素因数の和:70149

約数の個数: 40

約数和(自身を含む): 182602896

約数和(自身を除く): 109674976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 70123, 140246, 280492, 350615, 560984, 701230, 911599, 1121968, 1402460, 1823198, 2804920, 3646396, 4557995, 5609840, 7292792, 9115990, 14585584, 18231980, 36463960, 72927920]

約数ペア:

[(1, 72927920), (2, 36463960), (4, 18231980), (5, 14585584), (8, 9115990), (10, 7292792), (13, 5609840), (16, 4557995), (20, 3646396), (26, 2804920), (40, 1823198), (52, 1402460), (65, 1121968), (80, 911599), (104, 701230), (130, 560984), (208, 350615), (260, 280492), (520, 140246), (1040, 70123)]