83641280

素因数分解:

$2^6\times 5^1\times {\mathrm{261379}}^1$

素因数の和:261396

約数の個数: 28

約数和(自身を含む): 199171560

約数和(自身を除く): 115530280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 261379, 522758, 1045516, 1306895, 2091032, 2613790, 4182064, 5227580, 8364128, 10455160, 16728256, 20910320, 41820640, 83641280]

約数ペア:

[(1, 83641280), (2, 41820640), (4, 20910320), (5, 16728256), (8, 10455160), (10, 8364128), (16, 5227580), (20, 4182064), (32, 2613790), (40, 2091032), (64, 1306895), (80, 1045516), (160, 522758), (320, 261379)]