25635220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98597}}^1$

素因数の和:98619

約数の個数: 24

約数和(自身を含む): 57975624

約数和(自身を除く): 32340404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98597, 197194, 394388, 492985, 985970, 1281761, 1971940, 2563522, 5127044, 6408805, 12817610, 25635220]

約数ペア:

[(1, 25635220), (2, 12817610), (4, 6408805), (5, 5127044), (10, 2563522), (13, 1971940), (20, 1281761), (26, 985970), (52, 492985), (65, 394388), (130, 197194), (260, 98597)]