1265853880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{326251}}^1$

素因数の和:326359

約数の個数: 32

約数和(自身を含む): 2877542640

約数和(自身を除く): 1611688760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 326251, 652502, 1305004, 1631255, 2610008, 3262510, 6525020, 13050040, 31646347, 63292694, 126585388, 158231735, 253170776, 316463470, 632926940, 1265853880]

約数ペア:

[(1, 1265853880), (2, 632926940), (4, 316463470), (5, 253170776), (8, 158231735), (10, 126585388), (20, 63292694), (40, 31646347), (97, 13050040), (194, 6525020), (388, 3262510), (485, 2610008), (776, 1631255), (970, 1305004), (1940, 652502), (3880, 326251)]