42958420

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{8167}}^1$

素因数の和:8439

約数の個数: 24

約数和(自身を含む): 90566784

約数和(自身を除く): 47608364

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 8167, 16334, 32668, 40835, 81670, 163340, 2147921, 4295842, 8591684, 10739605, 21479210, 42958420]

約数ペア:

[(1, 42958420), (2, 21479210), (4, 10739605), (5, 8591684), (10, 4295842), (20, 2147921), (263, 163340), (526, 81670), (1052, 40835), (1315, 32668), (2630, 16334), (5260, 8167)]