8397920

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 20139840

約数和(自身を除く): 11741920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 719, 730, 1168, 1438, 1460, 2336, 2876, 2920, 3595, 5752, 5840, 7190, 11504, 11680, 14380, 23008, 28760, 52487, 57520, 104974, 115040, 209948, 262435, 419896, 524870, 839792, 1049740, 1679584, 2099480, 4198960, 8397920]

約数ペア:

[(1, 8397920), (2, 4198960), (4, 2099480), (5, 1679584), (8, 1049740), (10, 839792), (16, 524870), (20, 419896), (32, 262435), (40, 209948), (73, 115040), (80, 104974), (146, 57520), (160, 52487), (292, 28760), (365, 23008), (584, 14380), (719, 11680), (730, 11504), (1168, 7190), (1438, 5840), (1460, 5752), (2336, 3595), (2876, 2920)]