74145920

素因数分解:

$2^7\times 5^1\times {\mathrm{115853}}^1$

素因数の和:115872

約数の個数: 32

約数和(自身を含む): 177256620

約数和(自身を除く): 103110700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 115853, 231706, 463412, 579265, 926824, 1158530, 1853648, 2317060, 3707296, 4634120, 7414592, 9268240, 14829184, 18536480, 37072960, 74145920]

約数ペア:

[(1, 74145920), (2, 37072960), (4, 18536480), (5, 14829184), (8, 9268240), (10, 7414592), (16, 4634120), (20, 3707296), (32, 2317060), (40, 1853648), (64, 1158530), (80, 926824), (128, 579265), (160, 463412), (320, 231706), (640, 115853)]