25788920

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4327}}^1$

素因数の和:4487

約数の個数: 32

約数和(自身を含む): 58428000

約数和(自身を除く): 32639080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 4327, 5960, 8654, 17308, 21635, 34616, 43270, 86540, 173080, 644723, 1289446, 2578892, 3223615, 5157784, 6447230, 12894460, 25788920]

約数ペア:

[(1, 25788920), (2, 12894460), (4, 6447230), (5, 5157784), (8, 3223615), (10, 2578892), (20, 1289446), (40, 644723), (149, 173080), (298, 86540), (596, 43270), (745, 34616), (1192, 21635), (1490, 17308), (2980, 8654), (4327, 5960)]