24487940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 28734460

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 109, 188, 218, 235, 239, 436, 470, 478, 545, 940, 956, 1090, 1195, 2180, 2390, 4780, 5123, 10246, 11233, 20492, 22466, 25615, 26051, 44932, 51230, 52102, 56165, 102460, 104204, 112330, 130255, 224660, 260510, 521020, 1224397, 2448794, 4897588, 6121985, 12243970, 24487940]

約数ペア:

[(1, 24487940), (2, 12243970), (4, 6121985), (5, 4897588), (10, 2448794), (20, 1224397), (47, 521020), (94, 260510), (109, 224660), (188, 130255), (218, 112330), (235, 104204), (239, 102460), (436, 56165), (470, 52102), (478, 51230), (545, 44932), (940, 26051), (956, 25615), (1090, 22466), (1195, 20492), (2180, 11233), (2390, 10246), (4780, 5123)]