25139510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{509}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 49572000

約数和(自身を除く): 24432490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 449, 509, 898, 1018, 2245, 2545, 4490, 4939, 5090, 5599, 9878, 11198, 24695, 27995, 49390, 55990, 228541, 457082, 1142705, 2285410, 2513951, 5027902, 12569755, 25139510]

約数ペア:

[(1, 25139510), (2, 12569755), (5, 5027902), (10, 2513951), (11, 2285410), (22, 1142705), (55, 457082), (110, 228541), (449, 55990), (509, 49390), (898, 27995), (1018, 24695), (2245, 11198), (2545, 9878), (4490, 5599), (4939, 5090)]