26229580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1277}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 60117120

約数和(自身を除く): 33887540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1277, 1580, 2054, 2554, 4108, 5108, 5135, 6385, 10270, 12770, 16601, 20540, 25540, 33202, 66404, 83005, 100883, 166010, 201766, 332020, 403532, 504415, 1008830, 1311479, 2017660, 2622958, 5245916, 6557395, 13114790, 26229580]

約数ペア:

[(1, 26229580), (2, 13114790), (4, 6557395), (5, 5245916), (10, 2622958), (13, 2017660), (20, 1311479), (26, 1008830), (52, 504415), (65, 403532), (79, 332020), (130, 201766), (158, 166010), (260, 100883), (316, 83005), (395, 66404), (790, 33202), (1027, 25540), (1277, 20540), (1580, 16601), (2054, 12770), (2554, 10270), (4108, 6385), (5108, 5135)]