881680

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 2089152

約数和(自身を除く): 1207472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 107, 206, 214, 412, 428, 515, 535, 824, 856, 1030, 1070, 1648, 1712, 2060, 2140, 4120, 4280, 8240, 8560, 11021, 22042, 44084, 55105, 88168, 110210, 176336, 220420, 440840, 881680]

約数ペア:

[(1, 881680), (2, 440840), (4, 220420), (5, 176336), (8, 110210), (10, 88168), (16, 55105), (20, 44084), (40, 22042), (80, 11021), (103, 8560), (107, 8240), (206, 4280), (214, 4120), (412, 2140), (428, 2060), (515, 1712), (535, 1648), (824, 1070), (856, 1030)]