64964140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191071}}^1$

素因数の和:191097

約数の個数: 24

約数和(自身を含む): 144450432

約数和(自身を除く): 79486292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 191071, 382142, 764284, 955355, 1910710, 3248207, 3821420, 6496414, 12992828, 16241035, 32482070, 64964140]

約数ペア:

[(1, 64964140), (2, 32482070), (4, 16241035), (5, 12992828), (10, 6496414), (17, 3821420), (20, 3248207), (34, 1910710), (68, 955355), (85, 764284), (170, 382142), (340, 191071)]