85369375

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 139955200

約数和(自身を除く): 54585825

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 79, 91, 95, 125, 133, 175, 247, 325, 395, 455, 475, 553, 625, 665, 875, 1027, 1235, 1501, 1625, 1729, 1975, 2275, 2375, 2765, 3325, 4375, 5135, 6175, 7189, 7505, 8125, 8645, 9875, 10507, 11375, 11875, 13825, 16625, 19513, 25675, 30875, 35945, 37525, 43225, 49375, 52535, 56875, 69125, 83125, 97565, 128375, 136591, 154375, 179725, 187625, 216125, 262675, 345625, 487825, 641875, 682955, 898625, 938125, 1080625, 1313375, 2439125, 3414775, 4493125, 6566875, 12195625, 17073875, 85369375]

約数ペア:

[(1, 85369375), (5, 17073875), (7, 12195625), (13, 6566875), (19, 4493125), (25, 3414775), (35, 2439125), (65, 1313375), (79, 1080625), (91, 938125), (95, 898625), (125, 682955), (133, 641875), (175, 487825), (247, 345625), (325, 262675), (395, 216125), (455, 187625), (475, 179725), (553, 154375), (625, 136591), (665, 128375), (875, 97565), (1027, 83125), (1235, 69125), (1501, 56875), (1625, 52535), (1729, 49375), (1975, 43225), (2275, 37525), (2375, 35945), (2765, 30875), (3325, 25675), (4375, 19513), (5135, 16625), (6175, 13825), (7189, 11875), (7505, 11375), (8125, 10507), (8645, 9875)]