28893460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{18287}}^1$

素因数の和:18375

約数の個数: 24

約数和(自身を含む): 61447680

約数和(自身を除く): 32554220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 18287, 36574, 73148, 91435, 182870, 365740, 1444673, 2889346, 5778692, 7223365, 14446730, 28893460]

約数ペア:

[(1, 28893460), (2, 14446730), (4, 7223365), (5, 5778692), (10, 2889346), (20, 1444673), (79, 365740), (158, 182870), (316, 91435), (395, 73148), (790, 36574), (1580, 18287)]