24790420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4289}}^1$

素因数の和:4332

約数の個数: 36

約数和(自身を含む): 55315260

約数和(自身を除く): 30524840

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 4289, 5780, 8578, 17156, 21445, 42890, 72913, 85780, 145826, 291652, 364565, 729130, 1239521, 1458260, 2479042, 4958084, 6197605, 12395210, 24790420]

約数ペア:

[(1, 24790420), (2, 12395210), (4, 6197605), (5, 4958084), (10, 2479042), (17, 1458260), (20, 1239521), (34, 729130), (68, 364565), (85, 291652), (170, 145826), (289, 85780), (340, 72913), (578, 42890), (1156, 21445), (1445, 17156), (2890, 8578), (4289, 5780)]