23081840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2647}}^1$

素因数の和:2769

約数の個数: 40

約数和(自身を含む): 54178080

約数和(自身を除く): 31096240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2647, 4360, 5294, 8720, 10588, 13235, 21176, 26470, 42352, 52940, 105880, 211760, 288523, 577046, 1154092, 1442615, 2308184, 2885230, 4616368, 5770460, 11540920, 23081840]

約数ペア:

[(1, 23081840), (2, 11540920), (4, 5770460), (5, 4616368), (8, 2885230), (10, 2308184), (16, 1442615), (20, 1154092), (40, 577046), (80, 288523), (109, 211760), (218, 105880), (436, 52940), (545, 42352), (872, 26470), (1090, 21176), (1744, 13235), (2180, 10588), (2647, 8720), (4360, 5294)]