173679920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27481}}^1$

素因数の和:27573

約数の個数: 40

約数和(自身を含む): 408932160

約数和(自身を除く): 235252240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 27481, 54962, 109924, 137405, 219848, 274810, 439696, 549620, 1099240, 2170999, 2198480, 4341998, 8683996, 10854995, 17367992, 21709990, 34735984, 43419980, 86839960, 173679920]

約数ペア:

[(1, 173679920), (2, 86839960), (4, 43419980), (5, 34735984), (8, 21709990), (10, 17367992), (16, 10854995), (20, 8683996), (40, 4341998), (79, 2198480), (80, 2170999), (158, 1099240), (316, 549620), (395, 439696), (632, 274810), (790, 219848), (1264, 137405), (1580, 109924), (3160, 54962), (6320, 27481)]