2013245825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 2705612544

約数和(自身を除く): 692366719

約数列:

[1, 5, 17, 25, 71, 85, 137, 355, 425, 487, 685, 1207, 1775, 2329, 2435, 3425, 6035, 8279, 9727, 11645, 12175, 30175, 34577, 41395, 48635, 58225, 66719, 165359, 172885, 206975, 243175, 333595, 587809, 826795, 864425, 1134223, 1667975, 2939045, 4133975, 4737049, 5671115, 14695225, 23685245, 28355575, 80529833, 118426225, 402649165, 2013245825]

約数ペア:

[(1, 2013245825), (5, 402649165), (17, 118426225), (25, 80529833), (71, 28355575), (85, 23685245), (137, 14695225), (355, 5671115), (425, 4737049), (487, 4133975), (685, 2939045), (1207, 1667975), (1775, 1134223), (2329, 864425), (2435, 826795), (3425, 587809), (6035, 333595), (8279, 243175), (9727, 206975), (11645, 172885), (12175, 165359), (30175, 66719), (34577, 58225), (41395, 48635)]