86617180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4217}}^1$

素因数の和:4318

約数の個数: 48

約数和(自身を含む): 198414720

約数和(自身を除く): 111797540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 4217, 5135, 8434, 10270, 16868, 20540, 21085, 42170, 54821, 84340, 109642, 219284, 274105, 333143, 548210, 666286, 1096420, 1332572, 1665715, 3331430, 4330859, 6662860, 8661718, 17323436, 21654295, 43308590, 86617180]

約数ペア:

[(1, 86617180), (2, 43308590), (4, 21654295), (5, 17323436), (10, 8661718), (13, 6662860), (20, 4330859), (26, 3331430), (52, 1665715), (65, 1332572), (79, 1096420), (130, 666286), (158, 548210), (260, 333143), (316, 274105), (395, 219284), (790, 109642), (1027, 84340), (1580, 54821), (2054, 42170), (4108, 21085), (4217, 20540), (5135, 16868), (8434, 10270)]