145406320

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13267}}^1$

素因数の和:13417

約数の個数: 40

約数和(自身を含む): 340563024

約数和(自身を除く): 195156704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 13267, 26534, 53068, 66335, 106136, 132670, 212272, 265340, 530680, 1061360, 1817579, 3635158, 7270316, 9087895, 14540632, 18175790, 29081264, 36351580, 72703160, 145406320]

約数ペア:

[(1, 145406320), (2, 72703160), (4, 36351580), (5, 29081264), (8, 18175790), (10, 14540632), (16, 9087895), (20, 7270316), (40, 3635158), (80, 1817579), (137, 1061360), (274, 530680), (548, 265340), (685, 212272), (1096, 132670), (1370, 106136), (2192, 66335), (2740, 53068), (5480, 26534), (10960, 13267)]