28528040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41953}}^1$

素因数の和:41981

約数の個数: 32

約数和(自身を含む): 67965480

約数和(自身を除く): 39437440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41953, 83906, 167812, 209765, 335624, 419530, 713201, 839060, 1426402, 1678120, 2852804, 3566005, 5705608, 7132010, 14264020, 28528040]

約数ペア:

[(1, 28528040), (2, 14264020), (4, 7132010), (5, 5705608), (8, 3566005), (10, 2852804), (17, 1678120), (20, 1426402), (34, 839060), (40, 713201), (68, 419530), (85, 335624), (136, 209765), (170, 167812), (340, 83906), (680, 41953)]