142153520

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3491}}^1$

素因数の和:4013

約数の個数: 40

約数和(自身を含む): 331251120

約数和(自身を除く): 189097600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2545, 3491, 4072, 5090, 6982, 8144, 10180, 13964, 17455, 20360, 27928, 34910, 40720, 55856, 69820, 139640, 279280, 1776919, 3553838, 7107676, 8884595, 14215352, 17769190, 28430704, 35538380, 71076760, 142153520]

約数ペア:

[(1, 142153520), (2, 71076760), (4, 35538380), (5, 28430704), (8, 17769190), (10, 14215352), (16, 8884595), (20, 7107676), (40, 3553838), (80, 1776919), (509, 279280), (1018, 139640), (2036, 69820), (2545, 55856), (3491, 40720), (4072, 34910), (5090, 27928), (6982, 20360), (8144, 17455), (10180, 13964)]