53120420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{64781}}^1$

素因数の和:64831

約数の個数: 24

約数和(自身を含む): 114275448

約数和(自身を除く): 61155028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 64781, 129562, 259124, 323905, 647810, 1295620, 2656021, 5312042, 10624084, 13280105, 26560210, 53120420]

約数ペア:

[(1, 53120420), (2, 26560210), (4, 13280105), (5, 10624084), (10, 5312042), (20, 2656021), (41, 1295620), (82, 647810), (164, 323905), (205, 259124), (410, 129562), (820, 64781)]