3957980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1171}}^1$

素因数の和:1206

約数の個数: 36

約数和(自身を含む): 9007992

約数和(自身を除く): 5050012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1171, 1690, 2342, 3380, 4684, 5855, 11710, 15223, 23420, 30446, 60892, 76115, 152230, 197899, 304460, 395798, 791596, 989495, 1978990, 3957980]

約数ペア:

[(1, 3957980), (2, 1978990), (4, 989495), (5, 791596), (10, 395798), (13, 304460), (20, 197899), (26, 152230), (52, 76115), (65, 60892), (130, 30446), (169, 23420), (260, 15223), (338, 11710), (676, 5855), (845, 4684), (1171, 3380), (1690, 2342)]