887658920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{472159}}^1$

素因数の和:472217

約数の個数: 32

約数和(自身を含む): 2039731200

約数和(自身を除く): 1152072280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 472159, 944318, 1888636, 2360795, 3777272, 4721590, 9443180, 18886360, 22191473, 44382946, 88765892, 110957365, 177531784, 221914730, 443829460, 887658920]

約数ペア:

[(1, 887658920), (2, 443829460), (4, 221914730), (5, 177531784), (8, 110957365), (10, 88765892), (20, 44382946), (40, 22191473), (47, 18886360), (94, 9443180), (188, 4721590), (235, 3777272), (376, 2360795), (470, 1888636), (940, 944318), (1880, 472159)]