12626920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 18477080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 599, 620, 680, 1054, 1198, 1240, 2108, 2396, 2635, 2995, 4216, 4792, 5270, 5990, 10183, 10540, 11980, 18569, 20366, 21080, 23960, 37138, 40732, 50915, 74276, 81464, 92845, 101830, 148552, 185690, 203660, 315673, 371380, 407320, 631346, 742760, 1262692, 1578365, 2525384, 3156730, 6313460, 12626920]

約数ペア:

[(1, 12626920), (2, 6313460), (4, 3156730), (5, 2525384), (8, 1578365), (10, 1262692), (17, 742760), (20, 631346), (31, 407320), (34, 371380), (40, 315673), (62, 203660), (68, 185690), (85, 148552), (124, 101830), (136, 92845), (155, 81464), (170, 74276), (248, 50915), (310, 40732), (340, 37138), (527, 23960), (599, 21080), (620, 20366), (680, 18569), (1054, 11980), (1198, 10540), (1240, 10183), (2108, 5990), (2396, 5270), (2635, 4792), (2995, 4216)]