26201500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 64209600

約数和(自身を除く): 38008100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 125, 130, 139, 145, 250, 260, 278, 290, 325, 377, 500, 556, 580, 650, 695, 725, 754, 1300, 1390, 1450, 1508, 1625, 1807, 1885, 2780, 2900, 3250, 3475, 3614, 3625, 3770, 4031, 6500, 6950, 7228, 7250, 7540, 8062, 9035, 9425, 13900, 14500, 16124, 17375, 18070, 18850, 20155, 34750, 36140, 37700, 40310, 45175, 47125, 52403, 69500, 80620, 90350, 94250, 100775, 104806, 180700, 188500, 201550, 209612, 225875, 262015, 403100, 451750, 503875, 524030, 903500, 1007750, 1048060, 1310075, 2015500, 2620150, 5240300, 6550375, 13100750, 26201500]

約数ペア:

[(1, 26201500), (2, 13100750), (4, 6550375), (5, 5240300), (10, 2620150), (13, 2015500), (20, 1310075), (25, 1048060), (26, 1007750), (29, 903500), (50, 524030), (52, 503875), (58, 451750), (65, 403100), (100, 262015), (116, 225875), (125, 209612), (130, 201550), (139, 188500), (145, 180700), (250, 104806), (260, 100775), (278, 94250), (290, 90350), (325, 80620), (377, 69500), (500, 52403), (556, 47125), (580, 45175), (650, 40310), (695, 37700), (725, 36140), (754, 34750), (1300, 20155), (1390, 18850), (1450, 18070), (1508, 17375), (1625, 16124), (1807, 14500), (1885, 13900), (2780, 9425), (2900, 9035), (3250, 8062), (3475, 7540), (3614, 7250), (3625, 7228), (3770, 6950), (4031, 6500)]