8142575

素因数分解:

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

素因数の和:81

約数の個数: 54

約数和(自身を含む): 13019256

約数和(自身を除く): 4876681

約数列:

[1, 5, 7, 17, 23, 25, 35, 49, 85, 115, 119, 161, 175, 245, 289, 391, 425, 575, 595, 805, 833, 1127, 1225, 1445, 1955, 2023, 2737, 2975, 4025, 4165, 5635, 6647, 7225, 9775, 10115, 13685, 14161, 19159, 20825, 28175, 33235, 46529, 50575, 68425, 70805, 95795, 166175, 232645, 325703, 354025, 478975, 1163225, 1628515, 8142575]

約数ペア:

[(1, 8142575), (5, 1628515), (7, 1163225), (17, 478975), (23, 354025), (25, 325703), (35, 232645), (49, 166175), (85, 95795), (115, 70805), (119, 68425), (161, 50575), (175, 46529), (245, 33235), (289, 28175), (391, 20825), (425, 19159), (575, 14161), (595, 13685), (805, 10115), (833, 9775), (1127, 7225), (1225, 6647), (1445, 5635), (1955, 4165), (2023, 4025), (2737, 2975)]