83105920

素因数分解:

$2^7\times 5^1\times {\mathrm{129853}}^1$

素因数の和:129872

約数の個数: 32

約数和(自身を含む): 198676620

約数和(自身を除く): 115570700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 129853, 259706, 519412, 649265, 1038824, 1298530, 2077648, 2597060, 4155296, 5194120, 8310592, 10388240, 16621184, 20776480, 41552960, 83105920]

約数ペア:

[(1, 83105920), (2, 41552960), (4, 20776480), (5, 16621184), (8, 10388240), (10, 8310592), (16, 5194120), (20, 4155296), (32, 2597060), (40, 2077648), (64, 1298530), (80, 1038824), (128, 649265), (160, 519412), (320, 259706), (640, 129853)]