65704240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117329}}^1$

素因数の和:117349

約数の個数: 40

約数和(自身を含む): 174587040

約数和(自身を除く): 108882800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117329, 234658, 469316, 586645, 821303, 938632, 1173290, 1642606, 1877264, 2346580, 3285212, 4106515, 4693160, 6570424, 8213030, 9386320, 13140848, 16426060, 32852120, 65704240]

約数ペア:

[(1, 65704240), (2, 32852120), (4, 16426060), (5, 13140848), (7, 9386320), (8, 8213030), (10, 6570424), (14, 4693160), (16, 4106515), (20, 3285212), (28, 2346580), (35, 1877264), (40, 1642606), (56, 1173290), (70, 938632), (80, 821303), (112, 586645), (140, 469316), (280, 234658), (560, 117329)]