40477640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144563}}^1$

素因数の和:144581

約数の個数: 32

約数和(自身を含む): 104086080

約数和(自身を除く): 63608440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144563, 289126, 578252, 722815, 1011941, 1156504, 1445630, 2023882, 2891260, 4047764, 5059705, 5782520, 8095528, 10119410, 20238820, 40477640]

約数ペア:

[(1, 40477640), (2, 20238820), (4, 10119410), (5, 8095528), (7, 5782520), (8, 5059705), (10, 4047764), (14, 2891260), (20, 2023882), (28, 1445630), (35, 1156504), (40, 1011941), (56, 722815), (70, 578252), (140, 289126), (280, 144563)]