66670400

素因数分解:

$2^6\times 5^2\times {\mathrm{41669}}^1$

素因数の和:41691

約数の個数: 42

約数和(自身を含む): 164054790

約数和(自身を除く): 97384390

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 41669, 83338, 166676, 208345, 333352, 416690, 666704, 833380, 1041725, 1333408, 1666760, 2083450, 2666816, 3333520, 4166900, 6667040, 8333800, 13334080, 16667600, 33335200, 66670400]

約数ペア:

[(1, 66670400), (2, 33335200), (4, 16667600), (5, 13334080), (8, 8333800), (10, 6667040), (16, 4166900), (20, 3333520), (25, 2666816), (32, 2083450), (40, 1666760), (50, 1333408), (64, 1041725), (80, 833380), (100, 666704), (160, 416690), (200, 333352), (320, 208345), (400, 166676), (800, 83338), (1600, 41669)]