131085760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31511}}^1$

素因数の和:31541

約数の個数: 56

約数和(自身を含む): 336170016

約数和(自身を除く): 205084256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 31511, 63022, 126044, 157555, 252088, 315110, 409643, 504176, 630220, 819286, 1008352, 1260440, 1638572, 2016704, 2048215, 2520880, 3277144, 4096430, 5041760, 6554288, 8192860, 10083520, 13108576, 16385720, 26217152, 32771440, 65542880, 131085760]

約数ペア:

[(1, 131085760), (2, 65542880), (4, 32771440), (5, 26217152), (8, 16385720), (10, 13108576), (13, 10083520), (16, 8192860), (20, 6554288), (26, 5041760), (32, 4096430), (40, 3277144), (52, 2520880), (64, 2048215), (65, 2016704), (80, 1638572), (104, 1260440), (130, 1008352), (160, 819286), (208, 630220), (260, 504176), (320, 409643), (416, 315110), (520, 252088), (832, 157555), (1040, 126044), (2080, 63022), (4160, 31511)]