28319380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{641}}^1$

素因数の和:744

約数の個数: 36

約数和(自身を含む): 60857748

約数和(自身を除く): 32538368

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 641, 940, 1282, 2209, 2564, 3205, 4418, 6410, 8836, 11045, 12820, 22090, 30127, 44180, 60254, 120508, 150635, 301270, 602540, 1415969, 2831938, 5663876, 7079845, 14159690, 28319380]

約数ペア:

[(1, 28319380), (2, 14159690), (4, 7079845), (5, 5663876), (10, 2831938), (20, 1415969), (47, 602540), (94, 301270), (188, 150635), (235, 120508), (470, 60254), (641, 44180), (940, 30127), (1282, 22090), (2209, 12820), (2564, 11045), (3205, 8836), (4418, 6410)]