201898040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{162821}}^1$

素因数の和:162863

約数の個数: 32

約数和(自身を含む): 468927360

約数和(自身を除く): 267029320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 162821, 325642, 651284, 814105, 1302568, 1628210, 3256420, 5047451, 6512840, 10094902, 20189804, 25237255, 40379608, 50474510, 100949020, 201898040]

約数ペア:

[(1, 201898040), (2, 100949020), (4, 50474510), (5, 40379608), (8, 25237255), (10, 20189804), (20, 10094902), (31, 6512840), (40, 5047451), (62, 3256420), (124, 1628210), (155, 1302568), (248, 814105), (310, 651284), (620, 325642), (1240, 162821)]