1320222320

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{39199}}^1$

素因数の和:39633

約数の個数: 40

約数和(自身を含む): 3076886400

約数和(自身を除く): 1756664080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 3368, 4210, 6736, 8420, 16840, 33680, 39199, 78398, 156796, 195995, 313592, 391990, 627184, 783980, 1567960, 3135920, 16502779, 33005558, 66011116, 82513895, 132022232, 165027790, 264044464, 330055580, 660111160, 1320222320]

約数ペア:

[(1, 1320222320), (2, 660111160), (4, 330055580), (5, 264044464), (8, 165027790), (10, 132022232), (16, 82513895), (20, 66011116), (40, 33005558), (80, 16502779), (421, 3135920), (842, 1567960), (1684, 783980), (2105, 627184), (3368, 391990), (4210, 313592), (6736, 195995), (8420, 156796), (16840, 78398), (33680, 39199)]