8904880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1409}}^1$

素因数の和:1501

約数の個数: 40

約数和(自身を含む): 20980800

約数和(自身を除く): 12075920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1409, 1580, 2818, 3160, 5636, 6320, 7045, 11272, 14090, 22544, 28180, 56360, 111311, 112720, 222622, 445244, 556555, 890488, 1113110, 1780976, 2226220, 4452440, 8904880]

約数ペア:

[(1, 8904880), (2, 4452440), (4, 2226220), (5, 1780976), (8, 1113110), (10, 890488), (16, 556555), (20, 445244), (40, 222622), (79, 112720), (80, 111311), (158, 56360), (316, 28180), (395, 22544), (632, 14090), (790, 11272), (1264, 7045), (1409, 6320), (1580, 5636), (2818, 3160)]