65730640

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1571}}^1$

素因数の和:2107

約数の個数: 40

約数和(自身を含む): 153213408

約数和(自身を除く): 87482768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 1571, 2092, 2615, 3142, 4184, 5230, 6284, 7855, 8368, 10460, 12568, 15710, 20920, 25136, 31420, 41840, 62840, 125680, 821633, 1643266, 3286532, 4108165, 6573064, 8216330, 13146128, 16432660, 32865320, 65730640]

約数ペア:

[(1, 65730640), (2, 32865320), (4, 16432660), (5, 13146128), (8, 8216330), (10, 6573064), (16, 4108165), (20, 3286532), (40, 1643266), (80, 821633), (523, 125680), (1046, 62840), (1571, 41840), (2092, 31420), (2615, 25136), (3142, 20920), (4184, 15710), (5230, 12568), (6284, 10460), (7855, 8368)]