1220940880

素因数分解:

$2^4\times 5^1\times {\mathrm{1847}}^1\times {\mathrm{8263}}^1$

素因数の和:10123

約数の個数: 40

約数和(自身を含む): 2840568192

約数和(自身を除く): 1619627312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1847, 3694, 7388, 8263, 9235, 14776, 16526, 18470, 29552, 33052, 36940, 41315, 66104, 73880, 82630, 132208, 147760, 165260, 330520, 661040, 15261761, 30523522, 61047044, 76308805, 122094088, 152617610, 244188176, 305235220, 610470440, 1220940880]

約数ペア:

[(1, 1220940880), (2, 610470440), (4, 305235220), (5, 244188176), (8, 152617610), (10, 122094088), (16, 76308805), (20, 61047044), (40, 30523522), (80, 15261761), (1847, 661040), (3694, 330520), (7388, 165260), (8263, 147760), (9235, 132208), (14776, 82630), (16526, 73880), (18470, 66104), (29552, 41315), (33052, 36940)]