12931840

素因数分解:

$2^8\times 5^1\times {\mathrm{10103}}^1$

素因数の和:10124

約数の個数: 36

約数和(自身を含む): 30978864

約数和(自身を除く): 18047024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10103, 20206, 40412, 50515, 80824, 101030, 161648, 202060, 323296, 404120, 646592, 808240, 1293184, 1616480, 2586368, 3232960, 6465920, 12931840]

約数ペア:

[(1, 12931840), (2, 6465920), (4, 3232960), (5, 2586368), (8, 1616480), (10, 1293184), (16, 808240), (20, 646592), (32, 404120), (40, 323296), (64, 202060), (80, 161648), (128, 101030), (160, 80824), (256, 50515), (320, 40412), (640, 20206), (1280, 10103)]