899133040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{864551}}^1$

素因数の和:864577

約数の個数: 40

約数和(自身を含む): 2251293408

約数和(自身を除く): 1352160368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 864551, 1729102, 3458204, 4322755, 6916408, 8645510, 11239163, 13832816, 17291020, 22478326, 34582040, 44956652, 56195815, 69164080, 89913304, 112391630, 179826608, 224783260, 449566520, 899133040]

約数ペア:

[(1, 899133040), (2, 449566520), (4, 224783260), (5, 179826608), (8, 112391630), (10, 89913304), (13, 69164080), (16, 56195815), (20, 44956652), (26, 34582040), (40, 22478326), (52, 17291020), (65, 13832816), (80, 11239163), (104, 8645510), (130, 6916408), (208, 4322755), (260, 3458204), (520, 1729102), (1040, 864551)]