27982120

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2927}}^1$

素因数の和:3177

約数の個数: 32

約数和(自身を含む): 63244800

約数和(自身を除く): 35262680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 2927, 4780, 5854, 9560, 11708, 14635, 23416, 29270, 58540, 117080, 699553, 1399106, 2798212, 3497765, 5596424, 6995530, 13991060, 27982120]

約数ペア:

[(1, 27982120), (2, 13991060), (4, 6995530), (5, 5596424), (8, 3497765), (10, 2798212), (20, 1399106), (40, 699553), (239, 117080), (478, 58540), (956, 29270), (1195, 23416), (1912, 14635), (2390, 11708), (2927, 9560), (4780, 5854)]