120239920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21169}}^1$

素因数の和:21253

約数の個数: 40

約数和(自身を含む): 283508640

約数和(自身を除く): 163268720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 21169, 42338, 84676, 105845, 169352, 211690, 338704, 423380, 846760, 1502999, 1693520, 3005998, 6011996, 7514995, 12023992, 15029990, 24047984, 30059980, 60119960, 120239920]

約数ペア:

[(1, 120239920), (2, 60119960), (4, 30059980), (5, 24047984), (8, 15029990), (10, 12023992), (16, 7514995), (20, 6011996), (40, 3005998), (71, 1693520), (80, 1502999), (142, 846760), (284, 423380), (355, 338704), (568, 211690), (710, 169352), (1136, 105845), (1420, 84676), (2840, 42338), (5680, 21169)]