28572920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42019}}^1$

素因数の和:42047

約数の個数: 32

約数和(自身を含む): 68072400

約数和(自身を除く): 39499480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42019, 84038, 168076, 210095, 336152, 420190, 714323, 840380, 1428646, 1680760, 2857292, 3571615, 5714584, 7143230, 14286460, 28572920]

約数ペア:

[(1, 28572920), (2, 14286460), (4, 7143230), (5, 5714584), (8, 3571615), (10, 2857292), (17, 1680760), (20, 1428646), (34, 840380), (40, 714323), (68, 420190), (85, 336152), (136, 210095), (170, 168076), (340, 84038), (680, 42019)]