90813040

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^2\times {\mathrm{107}}^1$

素因数の和:326

約数の個数: 60

約数和(自身を含む): 215202744

約数和(自身を除く): 124389704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 107, 206, 214, 412, 428, 515, 535, 824, 856, 1030, 1070, 1648, 1712, 2060, 2140, 4120, 4280, 8240, 8560, 10609, 11021, 21218, 22042, 42436, 44084, 53045, 55105, 84872, 88168, 106090, 110210, 169744, 176336, 212180, 220420, 424360, 440840, 848720, 881680, 1135163, 2270326, 4540652, 5675815, 9081304, 11351630, 18162608, 22703260, 45406520, 90813040]

約数ペア:

[(1, 90813040), (2, 45406520), (4, 22703260), (5, 18162608), (8, 11351630), (10, 9081304), (16, 5675815), (20, 4540652), (40, 2270326), (80, 1135163), (103, 881680), (107, 848720), (206, 440840), (214, 424360), (412, 220420), (428, 212180), (515, 176336), (535, 169744), (824, 110210), (856, 106090), (1030, 88168), (1070, 84872), (1648, 55105), (1712, 53045), (2060, 44084), (2140, 42436), (4120, 22042), (4280, 21218), (8240, 11021), (8560, 10609)]