80133140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 174687744

約数和(自身を除く): 94554604

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 421, 614, 620, 842, 1228, 1535, 1684, 2105, 3070, 4210, 6140, 8420, 9517, 13051, 19034, 26102, 38068, 47585, 52204, 65255, 95170, 129247, 130510, 190340, 258494, 261020, 516988, 646235, 1292470, 2584940, 4006657, 8013314, 16026628, 20033285, 40066570, 80133140]

約数ペア:

[(1, 80133140), (2, 40066570), (4, 20033285), (5, 16026628), (10, 8013314), (20, 4006657), (31, 2584940), (62, 1292470), (124, 646235), (155, 516988), (307, 261020), (310, 258494), (421, 190340), (614, 130510), (620, 129247), (842, 95170), (1228, 65255), (1535, 52204), (1684, 47585), (2105, 38068), (3070, 26102), (4210, 19034), (6140, 13051), (8420, 9517)]