89787920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3109}}^1$

素因数の和:3160

約数の個数: 60

約数和(自身を含む): 220393260

約数和(自身を除く): 130605340

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3109, 3610, 5776, 6218, 7220, 12436, 14440, 15545, 24872, 28880, 31090, 49744, 59071, 62180, 118142, 124360, 236284, 248720, 295355, 472568, 590710, 945136, 1122349, 1181420, 2244698, 2362840, 4489396, 4725680, 5611745, 8978792, 11223490, 17957584, 22446980, 44893960, 89787920]

約数ペア:

[(1, 89787920), (2, 44893960), (4, 22446980), (5, 17957584), (8, 11223490), (10, 8978792), (16, 5611745), (19, 4725680), (20, 4489396), (38, 2362840), (40, 2244698), (76, 1181420), (80, 1122349), (95, 945136), (152, 590710), (190, 472568), (304, 295355), (361, 248720), (380, 236284), (722, 124360), (760, 118142), (1444, 62180), (1520, 59071), (1805, 49744), (2888, 31090), (3109, 28880), (3610, 24872), (5776, 15545), (6218, 14440), (7220, 12436)]