15808240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{28229}}^1$

素因数の和:28249

約数の個数: 40

約数和(自身を含む): 42006240

約数和(自身を除く): 26198000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 28229, 56458, 112916, 141145, 197603, 225832, 282290, 395206, 451664, 564580, 790412, 988015, 1129160, 1580824, 1976030, 2258320, 3161648, 3952060, 7904120, 15808240]

約数ペア:

[(1, 15808240), (2, 7904120), (4, 3952060), (5, 3161648), (7, 2258320), (8, 1976030), (10, 1580824), (14, 1129160), (16, 988015), (20, 790412), (28, 564580), (35, 451664), (40, 395206), (56, 282290), (70, 225832), (80, 197603), (112, 141145), (140, 112916), (280, 56458), (560, 28229)]