79988825

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 128241792

約数和(自身を除く): 48252967

約数列:

[1, 5, 7, 17, 23, 25, 35, 49, 85, 115, 119, 161, 167, 175, 245, 391, 425, 575, 595, 805, 833, 835, 1127, 1169, 1225, 1955, 2737, 2839, 2975, 3841, 4025, 4165, 4175, 5635, 5845, 8183, 9775, 13685, 14195, 19159, 19205, 19873, 20825, 26887, 28175, 29225, 40915, 65297, 68425, 70975, 95795, 96025, 99365, 134435, 139111, 188209, 204575, 326485, 457079, 478975, 496825, 672175, 695555, 941045, 1632425, 2285395, 3199553, 3477775, 4705225, 11426975, 15997765, 79988825]

約数ペア:

[(1, 79988825), (5, 15997765), (7, 11426975), (17, 4705225), (23, 3477775), (25, 3199553), (35, 2285395), (49, 1632425), (85, 941045), (115, 695555), (119, 672175), (161, 496825), (167, 478975), (175, 457079), (245, 326485), (391, 204575), (425, 188209), (575, 139111), (595, 134435), (805, 99365), (833, 96025), (835, 95795), (1127, 70975), (1169, 68425), (1225, 65297), (1955, 40915), (2737, 29225), (2839, 28175), (2975, 26887), (3841, 20825), (4025, 19873), (4165, 19205), (4175, 19159), (5635, 14195), (5845, 13685), (8183, 9775)]