42438430

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{20113}}^1$

素因数の和:20331

約数の個数: 16

約数和(自身を含む): 76755024

約数和(自身を除く): 34316594

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 20113, 40226, 100565, 201130, 4243843, 8487686, 21219215, 42438430]

約数ペア:

[(1, 42438430), (2, 21219215), (5, 8487686), (10, 4243843), (211, 201130), (422, 100565), (1055, 40226), (2110, 20113)]