28527760

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1867}}^1$

素因数の和:2071

約数の個数: 40

約数和(自身を含む): 66710016

約数和(自身を除く): 38182256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1867, 1910, 3056, 3734, 3820, 7468, 7640, 9335, 14936, 15280, 18670, 29872, 37340, 74680, 149360, 356597, 713194, 1426388, 1782985, 2852776, 3565970, 5705552, 7131940, 14263880, 28527760]

約数ペア:

[(1, 28527760), (2, 14263880), (4, 7131940), (5, 5705552), (8, 3565970), (10, 2852776), (16, 1782985), (20, 1426388), (40, 713194), (80, 356597), (191, 149360), (382, 74680), (764, 37340), (955, 29872), (1528, 18670), (1867, 15280), (1910, 14936), (3056, 9335), (3734, 7640), (3820, 7468)]