99166520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79973}}^1$

素因数の和:80015

約数の個数: 32

約数和(自身を含む): 230325120

約数和(自身を除く): 131158600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 79973, 159946, 319892, 399865, 639784, 799730, 1599460, 2479163, 3198920, 4958326, 9916652, 12395815, 19833304, 24791630, 49583260, 99166520]

約数ペア:

[(1, 99166520), (2, 49583260), (4, 24791630), (5, 19833304), (8, 12395815), (10, 9916652), (20, 4958326), (31, 3198920), (40, 2479163), (62, 1599460), (124, 799730), (155, 639784), (248, 399865), (310, 319892), (620, 159946), (1240, 79973)]