2005194425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 2758073472

約数和(自身を除く): 752879047

約数列:

[1, 5, 13, 25, 65, 67, 71, 325, 335, 355, 871, 923, 1297, 1675, 1775, 4355, 4615, 4757, 6485, 16861, 21775, 23075, 23785, 32425, 61841, 84305, 86899, 92087, 118925, 309205, 421525, 434495, 460435, 1129687, 1197131, 1546025, 2172475, 2302175, 5648435, 5985655, 6169829, 28242175, 29928275, 30849145, 80207777, 154245725, 401038885, 2005194425]

約数ペア:

[(1, 2005194425), (5, 401038885), (13, 154245725), (25, 80207777), (65, 30849145), (67, 29928275), (71, 28242175), (325, 6169829), (335, 5985655), (355, 5648435), (871, 2302175), (923, 2172475), (1297, 1546025), (1675, 1197131), (1775, 1129687), (4355, 460435), (4615, 434495), (4757, 421525), (6485, 309205), (16861, 118925), (21775, 92087), (23075, 86899), (23785, 84305), (32425, 61841)]