28785160

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3011}}^1$

素因数の和:3261

約数の個数: 32

約数和(自身を含む): 65059200

約数和(自身を除く): 36274040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 3011, 4780, 6022, 9560, 12044, 15055, 24088, 30110, 60220, 120440, 719629, 1439258, 2878516, 3598145, 5757032, 7196290, 14392580, 28785160]

約数ペア:

[(1, 28785160), (2, 14392580), (4, 7196290), (5, 5757032), (8, 3598145), (10, 2878516), (20, 1439258), (40, 719629), (239, 120440), (478, 60220), (956, 30110), (1195, 24088), (1912, 15055), (2390, 12044), (3011, 9560), (4780, 6022)]