45494420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 98960400

約数和(自身を除く): 53465980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 509, 545, 820, 1018, 1090, 2036, 2180, 2545, 4469, 5090, 8938, 10180, 17876, 20869, 22345, 41738, 44690, 55481, 83476, 89380, 104345, 110962, 208690, 221924, 277405, 417380, 554810, 1109620, 2274721, 4549442, 9098884, 11373605, 22747210, 45494420]

約数ペア:

[(1, 45494420), (2, 22747210), (4, 11373605), (5, 9098884), (10, 4549442), (20, 2274721), (41, 1109620), (82, 554810), (109, 417380), (164, 277405), (205, 221924), (218, 208690), (410, 110962), (436, 104345), (509, 89380), (545, 83476), (820, 55481), (1018, 44690), (1090, 41738), (2036, 22345), (2180, 20869), (2545, 17876), (4469, 10180), (5090, 8938)]