25864540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3262

約数の個数: 48

約数和(自身を含む): 60399360

約数和(自身を除く): 34534820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3209, 4030, 6418, 8060, 12836, 16045, 32090, 41717, 64180, 83434, 99479, 166868, 198958, 208585, 397916, 417170, 497395, 834340, 994790, 1293227, 1989580, 2586454, 5172908, 6466135, 12932270, 25864540]

約数ペア:

[(1, 25864540), (2, 12932270), (4, 6466135), (5, 5172908), (10, 2586454), (13, 1989580), (20, 1293227), (26, 994790), (31, 834340), (52, 497395), (62, 417170), (65, 397916), (124, 208585), (130, 198958), (155, 166868), (260, 99479), (310, 83434), (403, 64180), (620, 41717), (806, 32090), (1612, 16045), (2015, 12836), (3209, 8060), (4030, 6418)]