42451960

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3457}}^1$

素因数の和:3775

約数の個数: 32

約数和(自身を含む): 95855760

約数和(自身を除く): 53403800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 3457, 6140, 6914, 12280, 13828, 17285, 27656, 34570, 69140, 138280, 1061299, 2122598, 4245196, 5306495, 8490392, 10612990, 21225980, 42451960]

約数ペア:

[(1, 42451960), (2, 21225980), (4, 10612990), (5, 8490392), (8, 5306495), (10, 4245196), (20, 2122598), (40, 1061299), (307, 138280), (614, 69140), (1228, 34570), (1535, 27656), (2456, 17285), (3070, 13828), (3457, 12280), (6140, 6914)]