79386620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{65071}}^1$

素因数の和:65141

約数の個数: 24

約数和(自身を含む): 169447488

約数和(自身を除く): 90060868

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 65071, 130142, 260284, 325355, 650710, 1301420, 3969331, 7938662, 15877324, 19846655, 39693310, 79386620]

約数ペア:

[(1, 79386620), (2, 39693310), (4, 19846655), (5, 15877324), (10, 7938662), (20, 3969331), (61, 1301420), (122, 650710), (244, 325355), (305, 260284), (610, 130142), (1220, 65071)]