25384180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 56165760

約数和(自身を除く): 30781580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 397, 460, 556, 695, 794, 1390, 1588, 1985, 2780, 3197, 3970, 6394, 7940, 9131, 12788, 15985, 18262, 31970, 36524, 45655, 55183, 63940, 91310, 110366, 182620, 220732, 275915, 551830, 1103660, 1269209, 2538418, 5076836, 6346045, 12692090, 25384180]

約数ペア:

[(1, 25384180), (2, 12692090), (4, 6346045), (5, 5076836), (10, 2538418), (20, 1269209), (23, 1103660), (46, 551830), (92, 275915), (115, 220732), (139, 182620), (230, 110366), (278, 91310), (397, 63940), (460, 55183), (556, 45655), (695, 36524), (794, 31970), (1390, 18262), (1588, 15985), (1985, 12788), (2780, 9131), (3197, 7940), (3970, 6394)]