72801380

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{32213}}^1$

素因数の和:32335

約数の個数: 24

約数和(自身を含む): 154240632

約数和(自身を除く): 81439252

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 32213, 64426, 128852, 161065, 322130, 644260, 3640069, 7280138, 14560276, 18200345, 36400690, 72801380]

約数ペア:

[(1, 72801380), (2, 36400690), (4, 18200345), (5, 14560276), (10, 7280138), (20, 3640069), (113, 644260), (226, 322130), (452, 161065), (565, 128852), (1130, 64426), (2260, 32213)]