40452080

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4639}}^1$

素因数の和:4761

約数の個数: 40

約数和(自身を含む): 94934400

約数和(自身を除く): 54482320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4639, 8720, 9278, 18556, 23195, 37112, 46390, 74224, 92780, 185560, 371120, 505651, 1011302, 2022604, 2528255, 4045208, 5056510, 8090416, 10113020, 20226040, 40452080]

約数ペア:

[(1, 40452080), (2, 20226040), (4, 10113020), (5, 8090416), (8, 5056510), (10, 4045208), (16, 2528255), (20, 2022604), (40, 1011302), (80, 505651), (109, 371120), (218, 185560), (436, 92780), (545, 74224), (872, 46390), (1090, 37112), (1744, 23195), (2180, 18556), (4360, 9278), (4639, 8720)]