80534140

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{22247}}^1$

素因数の和:22437

約数の個数: 24

約数和(自身を含む): 170063712

約数和(自身を除く): 89529572

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 22247, 44494, 88988, 111235, 222470, 444940, 4026707, 8053414, 16106828, 20133535, 40267070, 80534140]

約数ペア:

[(1, 80534140), (2, 40267070), (4, 20133535), (5, 16106828), (10, 8053414), (20, 4026707), (181, 444940), (362, 222470), (724, 111235), (905, 88988), (1810, 44494), (3620, 22247)]