80891600

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4703}}^1$

素因数の和:4764

約数の個数: 60

約数和(自身を含む): 198903936

約数和(自身を除く): 118012336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 4300, 4703, 8600, 9406, 17200, 18812, 23515, 37624, 47030, 75248, 94060, 117575, 188120, 202229, 235150, 376240, 404458, 470300, 808916, 940600, 1011145, 1617832, 1881200, 2022290, 3235664, 4044580, 5055725, 8089160, 10111450, 16178320, 20222900, 40445800, 80891600]

約数ペア:

[(1, 80891600), (2, 40445800), (4, 20222900), (5, 16178320), (8, 10111450), (10, 8089160), (16, 5055725), (20, 4044580), (25, 3235664), (40, 2022290), (43, 1881200), (50, 1617832), (80, 1011145), (86, 940600), (100, 808916), (172, 470300), (200, 404458), (215, 376240), (344, 235150), (400, 202229), (430, 188120), (688, 117575), (860, 94060), (1075, 75248), (1720, 47030), (2150, 37624), (3440, 23515), (4300, 18812), (4703, 17200), (8600, 9406)]