25570640

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3851}}^1$

素因数の和:3947

約数の個数: 40

約数和(自身を含む): 60183648

約数和(自身を除く): 34613008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 3851, 6640, 7702, 15404, 19255, 30808, 38510, 61616, 77020, 154040, 308080, 319633, 639266, 1278532, 1598165, 2557064, 3196330, 5114128, 6392660, 12785320, 25570640]

約数ペア:

[(1, 25570640), (2, 12785320), (4, 6392660), (5, 5114128), (8, 3196330), (10, 2557064), (16, 1598165), (20, 1278532), (40, 639266), (80, 319633), (83, 308080), (166, 154040), (332, 77020), (415, 61616), (664, 38510), (830, 30808), (1328, 19255), (1660, 15404), (3320, 7702), (3851, 6640)]