40481560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144577}}^1$

素因数の和:144595

約数の個数: 32

約数和(自身を含む): 104096160

約数和(自身を除く): 63614600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144577, 289154, 578308, 722885, 1012039, 1156616, 1445770, 2024078, 2891540, 4048156, 5060195, 5783080, 8096312, 10120390, 20240780, 40481560]

約数ペア:

[(1, 40481560), (2, 20240780), (4, 10120390), (5, 8096312), (7, 5783080), (8, 5060195), (10, 4048156), (14, 2891540), (20, 2024078), (28, 1445770), (35, 1156616), (40, 1012039), (56, 722885), (70, 578308), (140, 289154), (280, 144577)]