172867120

素因数分解:

$2^4\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2671}}^1$

素因数の和:3493

約数の個数: 40

約数和(自身を含む): 402563520

約数和(自身を除く): 229696400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 809, 1618, 2671, 3236, 4045, 5342, 6472, 8090, 10684, 12944, 13355, 16180, 21368, 26710, 32360, 42736, 53420, 64720, 106840, 213680, 2160839, 4321678, 8643356, 10804195, 17286712, 21608390, 34573424, 43216780, 86433560, 172867120]

約数ペア:

[(1, 172867120), (2, 86433560), (4, 43216780), (5, 34573424), (8, 21608390), (10, 17286712), (16, 10804195), (20, 8643356), (40, 4321678), (80, 2160839), (809, 213680), (1618, 106840), (2671, 64720), (3236, 53420), (4045, 42736), (5342, 32360), (6472, 26710), (8090, 21368), (10684, 16180), (12944, 13355)]