65180660

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 139732992

約数和(自身を除く): 74552332

約数列:

[1, 2, 4, 5, 10, 20, 113, 151, 191, 226, 302, 382, 452, 565, 604, 755, 764, 955, 1130, 1510, 1910, 2260, 3020, 3820, 17063, 21583, 28841, 34126, 43166, 57682, 68252, 85315, 86332, 107915, 115364, 144205, 170630, 215830, 288410, 341260, 431660, 576820, 3259033, 6518066, 13036132, 16295165, 32590330, 65180660]

約数ペア:

[(1, 65180660), (2, 32590330), (4, 16295165), (5, 13036132), (10, 6518066), (20, 3259033), (113, 576820), (151, 431660), (191, 341260), (226, 288410), (302, 215830), (382, 170630), (452, 144205), (565, 115364), (604, 107915), (755, 86332), (764, 85315), (955, 68252), (1130, 57682), (1510, 43166), (1910, 34126), (2260, 28841), (3020, 21583), (3820, 17063)]