12800820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1117}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 36062208

約数和(自身を除く): 23261388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1117, 1146, 1910, 2234, 2292, 2865, 3351, 3820, 4468, 5585, 5730, 6702, 11170, 11460, 13404, 16755, 22340, 33510, 67020, 213347, 426694, 640041, 853388, 1066735, 1280082, 2133470, 2560164, 3200205, 4266940, 6400410, 12800820]

約数ペア:

[(1, 12800820), (2, 6400410), (3, 4266940), (4, 3200205), (5, 2560164), (6, 2133470), (10, 1280082), (12, 1066735), (15, 853388), (20, 640041), (30, 426694), (60, 213347), (191, 67020), (382, 33510), (573, 22340), (764, 16755), (955, 13404), (1117, 11460), (1146, 11170), (1910, 6702), (2234, 5730), (2292, 5585), (2865, 4468), (3351, 3820)]