25957880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49919}}^1$

素因数の和:49943

約数の個数: 32

約数和(自身を含む): 62899200

約数和(自身を除く): 36941320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49919, 99838, 199676, 249595, 399352, 499190, 648947, 998380, 1297894, 1996760, 2595788, 3244735, 5191576, 6489470, 12978940, 25957880]

約数ペア:

[(1, 25957880), (2, 12978940), (4, 6489470), (5, 5191576), (8, 3244735), (10, 2595788), (13, 1996760), (20, 1297894), (26, 998380), (40, 648947), (52, 499190), (65, 399352), (104, 249595), (130, 199676), (260, 99838), (520, 49919)]