25570220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98347}}^1$

素因数の和:98369

約数の個数: 24

約数和(自身を含む): 57828624

約数和(自身を除く): 32258404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98347, 196694, 393388, 491735, 983470, 1278511, 1966940, 2557022, 5114044, 6392555, 12785110, 25570220]

約数ペア:

[(1, 25570220), (2, 12785110), (4, 6392555), (5, 5114044), (10, 2557022), (13, 1966940), (20, 1278511), (26, 983470), (52, 491735), (65, 393388), (130, 196694), (260, 98347)]