15828440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5009}}^1$

素因数の和:5099

約数の個数: 32

約数和(自身を含む): 36072000

約数和(自身を除く): 20243560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5009, 10018, 20036, 25045, 40072, 50090, 100180, 200360, 395711, 791422, 1582844, 1978555, 3165688, 3957110, 7914220, 15828440]

約数ペア:

[(1, 15828440), (2, 7914220), (4, 3957110), (5, 3165688), (8, 1978555), (10, 1582844), (20, 791422), (40, 395711), (79, 200360), (158, 100180), (316, 50090), (395, 40072), (632, 25045), (790, 20036), (1580, 10018), (3160, 5009)]