22749640

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2213}}^1$

素因数の和:2481

約数の個数: 32

約数和(自身を含む): 51409080

約数和(自身を除く): 28659440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2213, 2570, 4426, 5140, 8852, 10280, 11065, 17704, 22130, 44260, 88520, 568741, 1137482, 2274964, 2843705, 4549928, 5687410, 11374820, 22749640]

約数ペア:

[(1, 22749640), (2, 11374820), (4, 5687410), (5, 4549928), (8, 2843705), (10, 2274964), (20, 1137482), (40, 568741), (257, 88520), (514, 44260), (1028, 22130), (1285, 17704), (2056, 11065), (2213, 10280), (2570, 8852), (4426, 5140)]