25619680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9419}}^1$

素因数の和:9451

約数の個数: 48

約数和(自身を含む): 64093680

約数和(自身を除く): 38474000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 9419, 18838, 37676, 47095, 75352, 94190, 150704, 160123, 188380, 301408, 320246, 376760, 640492, 753520, 800615, 1280984, 1507040, 1601230, 2561968, 3202460, 5123936, 6404920, 12809840, 25619680]

約数ペア:

[(1, 25619680), (2, 12809840), (4, 6404920), (5, 5123936), (8, 3202460), (10, 2561968), (16, 1601230), (17, 1507040), (20, 1280984), (32, 800615), (34, 753520), (40, 640492), (68, 376760), (80, 320246), (85, 301408), (136, 188380), (160, 160123), (170, 150704), (272, 94190), (340, 75352), (544, 47095), (680, 37676), (1360, 18838), (2720, 9419)]