8464240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3413}}^1$

素因数の和:3457

約数の個数: 40

約数和(自身を含む): 20320128

約数和(自身を除く): 11855888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3413, 6826, 13652, 17065, 27304, 34130, 54608, 68260, 105803, 136520, 211606, 273040, 423212, 529015, 846424, 1058030, 1692848, 2116060, 4232120, 8464240]

約数ペア:

[(1, 8464240), (2, 4232120), (4, 2116060), (5, 1692848), (8, 1058030), (10, 846424), (16, 529015), (20, 423212), (31, 273040), (40, 211606), (62, 136520), (80, 105803), (124, 68260), (155, 54608), (248, 34130), (310, 27304), (496, 17065), (620, 13652), (1240, 6826), (2480, 3413)]