22511825

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 36640512

約数和(自身を除く): 14128687

約数列:

[1, 5, 7, 17, 23, 25, 35, 47, 49, 85, 115, 119, 161, 175, 235, 245, 329, 391, 425, 575, 595, 799, 805, 833, 1081, 1127, 1175, 1225, 1645, 1955, 2303, 2737, 2975, 3995, 4025, 4165, 5405, 5593, 5635, 7567, 8225, 9775, 11515, 13685, 18377, 19159, 19975, 20825, 27025, 27965, 28175, 37835, 39151, 52969, 57575, 68425, 91885, 95795, 128639, 139825, 189175, 195755, 264845, 459425, 478975, 643195, 900473, 978775, 1324225, 3215975, 4502365, 22511825]

約数ペア:

[(1, 22511825), (5, 4502365), (7, 3215975), (17, 1324225), (23, 978775), (25, 900473), (35, 643195), (47, 478975), (49, 459425), (85, 264845), (115, 195755), (119, 189175), (161, 139825), (175, 128639), (235, 95795), (245, 91885), (329, 68425), (391, 57575), (425, 52969), (575, 39151), (595, 37835), (799, 28175), (805, 27965), (833, 27025), (1081, 20825), (1127, 19975), (1175, 19159), (1225, 18377), (1645, 13685), (1955, 11515), (2303, 9775), (2737, 8225), (2975, 7567), (3995, 5635), (4025, 5593), (4165, 5405)]