65481620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{11329}}^1$

素因数の和:11372

約数の個数: 36

約数和(自身を含む): 146089020

約数和(自身を除く): 80607400

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 11329, 22658, 45316, 56645, 113290, 192593, 226580, 385186, 770372, 962965, 1925930, 3274081, 3851860, 6548162, 13096324, 16370405, 32740810, 65481620]

約数ペア:

[(1, 65481620), (2, 32740810), (4, 16370405), (5, 13096324), (10, 6548162), (17, 3851860), (20, 3274081), (34, 1925930), (68, 962965), (85, 770372), (170, 385186), (289, 226580), (340, 192593), (578, 113290), (1156, 56645), (1445, 45316), (2890, 22658), (5780, 11329)]