28348360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8971}}^1$

素因数の和:9061

約数の個数: 32

約数和(自身を含む): 64598400

約数和(自身を除く): 36250040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8971, 17942, 35884, 44855, 71768, 89710, 179420, 358840, 708709, 1417418, 2834836, 3543545, 5669672, 7087090, 14174180, 28348360]

約数ペア:

[(1, 28348360), (2, 14174180), (4, 7087090), (5, 5669672), (8, 3543545), (10, 2834836), (20, 1417418), (40, 708709), (79, 358840), (158, 179420), (316, 89710), (395, 71768), (632, 44855), (790, 35884), (1580, 17942), (3160, 8971)]