72800416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1421

約数の個数: 48

約数和(自身を含む): 155584800

約数和(自身を除く): 82784384

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 139, 208, 278, 416, 556, 1112, 1259, 1807, 2224, 2518, 3614, 4448, 5036, 7228, 10072, 14456, 16367, 20144, 28912, 32734, 40288, 57824, 65468, 130936, 175001, 261872, 350002, 523744, 700004, 1400008, 2275013, 2800016, 4550026, 5600032, 9100052, 18200104, 36400208, 72800416]

約数ペア:

[(1, 72800416), (2, 36400208), (4, 18200104), (8, 9100052), (13, 5600032), (16, 4550026), (26, 2800016), (32, 2275013), (52, 1400008), (104, 700004), (139, 523744), (208, 350002), (278, 261872), (416, 175001), (556, 130936), (1112, 65468), (1259, 57824), (1807, 40288), (2224, 32734), (2518, 28912), (3614, 20144), (4448, 16367), (5036, 14456), (7228, 10072)]