28948760

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9161}}^1$

素因数の和:9251

約数の個数: 32

約数和(自身を含む): 65966400

約数和(自身を除く): 37017640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 9161, 18322, 36644, 45805, 73288, 91610, 183220, 366440, 723719, 1447438, 2894876, 3618595, 5789752, 7237190, 14474380, 28948760]

約数ペア:

[(1, 28948760), (2, 14474380), (4, 7237190), (5, 5789752), (8, 3618595), (10, 2894876), (20, 1447438), (40, 723719), (79, 366440), (158, 183220), (316, 91610), (395, 73288), (632, 45805), (790, 36644), (1580, 18322), (3160, 9161)]