26217880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 64189440

約数和(自身を除く): 37971560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 397, 508, 520, 635, 794, 1016, 1270, 1588, 1651, 1985, 2540, 3176, 3302, 3970, 5080, 5161, 6604, 7940, 8255, 10322, 13208, 15880, 16510, 20644, 25805, 33020, 41288, 50419, 51610, 66040, 100838, 103220, 201676, 206440, 252095, 403352, 504190, 655447, 1008380, 1310894, 2016760, 2621788, 3277235, 5243576, 6554470, 13108940, 26217880]

約数ペア:

[(1, 26217880), (2, 13108940), (4, 6554470), (5, 5243576), (8, 3277235), (10, 2621788), (13, 2016760), (20, 1310894), (26, 1008380), (40, 655447), (52, 504190), (65, 403352), (104, 252095), (127, 206440), (130, 201676), (254, 103220), (260, 100838), (397, 66040), (508, 51610), (520, 50419), (635, 41288), (794, 33020), (1016, 25805), (1270, 20644), (1588, 16510), (1651, 15880), (1985, 13208), (2540, 10322), (3176, 8255), (3302, 7940), (3970, 6604), (5080, 5161)]