25380745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 35223552

約数和(自身を除く): 9842807

約数列:

[1, 5, 13, 17, 65, 85, 103, 221, 223, 515, 1105, 1115, 1339, 1751, 2899, 3791, 6695, 8755, 14495, 18955, 22763, 22969, 49283, 113815, 114845, 246415, 298597, 390473, 1492985, 1952365, 5076149, 25380745]

約数ペア:

[(1, 25380745), (5, 5076149), (13, 1952365), (17, 1492985), (65, 390473), (85, 298597), (103, 246415), (221, 114845), (223, 113815), (515, 49283), (1105, 22969), (1115, 22763), (1339, 18955), (1751, 14495), (2899, 8755), (3791, 6695)]