51637820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10453}}^1$

素因数の和:10494

約数の個数: 48

約数和(自身を含む): 122939040

約数和(自身を除く): 71301220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 10453, 20906, 41812, 52265, 104530, 135889, 198607, 209060, 271778, 397214, 543556, 679445, 794428, 993035, 1358890, 1986070, 2581891, 2717780, 3972140, 5163782, 10327564, 12909455, 25818910, 51637820]

約数ペア:

[(1, 51637820), (2, 25818910), (4, 12909455), (5, 10327564), (10, 5163782), (13, 3972140), (19, 2717780), (20, 2581891), (26, 1986070), (38, 1358890), (52, 993035), (65, 794428), (76, 679445), (95, 543556), (130, 397214), (190, 271778), (247, 209060), (260, 198607), (380, 135889), (494, 104530), (988, 52265), (1235, 41812), (2470, 20906), (4940, 10453)]