68872040

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{9619}}^1$

素因数の和:9809

約数の個数: 32

約数和(自身を含む): 155844000

約数和(自身を除く): 86971960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 9619, 19238, 38476, 48095, 76952, 96190, 192380, 384760, 1721801, 3443602, 6887204, 8609005, 13774408, 17218010, 34436020, 68872040]

約数ペア:

[(1, 68872040), (2, 34436020), (4, 17218010), (5, 13774408), (8, 8609005), (10, 6887204), (20, 3443602), (40, 1721801), (179, 384760), (358, 192380), (716, 96190), (895, 76952), (1432, 48095), (1790, 38476), (3580, 19238), (7160, 9619)]