64405460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{460039}}^1$

素因数の和:460055

約数の個数: 24

約数和(自身を含む): 154573440

約数和(自身を除く): 90167980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 460039, 920078, 1840156, 2300195, 3220273, 4600390, 6440546, 9200780, 12881092, 16101365, 32202730, 64405460]

約数ペア:

[(1, 64405460), (2, 32202730), (4, 16101365), (5, 12881092), (7, 9200780), (10, 6440546), (14, 4600390), (20, 3220273), (28, 2300195), (35, 1840156), (70, 920078), (140, 460039)]