78322880

素因数分解:

$2^6\times 5^1\times {\mathrm{244759}}^1$

素因数の和:244776

約数の個数: 28

約数和(自身を含む): 186507120

約数和(自身を除く): 108184240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 244759, 489518, 979036, 1223795, 1958072, 2447590, 3916144, 4895180, 7832288, 9790360, 15664576, 19580720, 39161440, 78322880]

約数ペア:

[(1, 78322880), (2, 39161440), (4, 19580720), (5, 15664576), (8, 9790360), (10, 7832288), (16, 4895180), (20, 3916144), (32, 2447590), (40, 1958072), (64, 1223795), (80, 979036), (160, 489518), (320, 244759)]