31847920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 80744832

約数和(自身を除く): 48896912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 113, 130, 208, 226, 260, 271, 452, 520, 542, 565, 904, 1040, 1084, 1130, 1355, 1469, 1808, 2168, 2260, 2710, 2938, 3523, 4336, 4520, 5420, 5876, 7046, 7345, 9040, 10840, 11752, 14092, 14690, 17615, 21680, 23504, 28184, 29380, 30623, 35230, 56368, 58760, 61246, 70460, 117520, 122492, 140920, 153115, 244984, 281840, 306230, 398099, 489968, 612460, 796198, 1224920, 1592396, 1990495, 2449840, 3184792, 3980990, 6369584, 7961980, 15923960, 31847920]

約数ペア:

[(1, 31847920), (2, 15923960), (4, 7961980), (5, 6369584), (8, 3980990), (10, 3184792), (13, 2449840), (16, 1990495), (20, 1592396), (26, 1224920), (40, 796198), (52, 612460), (65, 489968), (80, 398099), (104, 306230), (113, 281840), (130, 244984), (208, 153115), (226, 140920), (260, 122492), (271, 117520), (452, 70460), (520, 61246), (542, 58760), (565, 56368), (904, 35230), (1040, 30623), (1084, 29380), (1130, 28184), (1355, 23504), (1469, 21680), (1808, 17615), (2168, 14690), (2260, 14092), (2710, 11752), (2938, 10840), (3523, 9040), (4336, 7345), (4520, 7046), (5420, 5876)]