42421880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25867}}^1$

素因数の和:25919

約数の個数: 32

約数和(自身を含む): 97781040

約数和(自身を除く): 55359160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25867, 51734, 103468, 129335, 206936, 258670, 517340, 1034680, 1060547, 2121094, 4242188, 5302735, 8484376, 10605470, 21210940, 42421880]

約数ペア:

[(1, 42421880), (2, 21210940), (4, 10605470), (5, 8484376), (8, 5302735), (10, 4242188), (20, 2121094), (40, 1060547), (41, 1034680), (82, 517340), (164, 258670), (205, 206936), (328, 129335), (410, 103468), (820, 51734), (1640, 25867)]