25304080

素因数分解:

$2^4\times 5^1\times {\mathrm{316301}}^1$

素因数の和:316314

約数の個数: 20

約数和(自身を含む): 58832172

約数和(自身を除く): 33528092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 316301, 632602, 1265204, 1581505, 2530408, 3163010, 5060816, 6326020, 12652040, 25304080]

約数ペア:

[(1, 25304080), (2, 12652040), (4, 6326020), (5, 5060816), (8, 3163010), (10, 2530408), (16, 1581505), (20, 1265204), (40, 632602), (80, 316301)]