12804740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2897}}^1$

素因数の和:2936

約数の個数: 48

約数和(自身を含む): 30672432

約数和(自身を除く): 17867692

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 2897, 4420, 5794, 11588, 14485, 28970, 37661, 49249, 57940, 75322, 98498, 150644, 188305, 196996, 246245, 376610, 492490, 640237, 753220, 984980, 1280474, 2560948, 3201185, 6402370, 12804740]

約数ペア:

[(1, 12804740), (2, 6402370), (4, 3201185), (5, 2560948), (10, 1280474), (13, 984980), (17, 753220), (20, 640237), (26, 492490), (34, 376610), (52, 246245), (65, 196996), (68, 188305), (85, 150644), (130, 98498), (170, 75322), (221, 57940), (260, 49249), (340, 37661), (442, 28970), (884, 14485), (1105, 11588), (2210, 5794), (2897, 4420)]