20171738480

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{11213}}^1$

素因数の和:11538

約数の個数: 80

約数和(自身を含む): 47556331200

約数和(自身を除く): 27384592720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 199, 226, 398, 452, 565, 796, 904, 995, 1130, 1592, 1808, 1990, 2260, 3184, 3980, 4520, 7960, 9040, 11213, 15920, 22426, 22487, 44852, 44974, 56065, 89704, 89948, 112130, 112435, 179408, 179896, 224260, 224870, 359792, 448520, 449740, 897040, 899480, 1267069, 1798960, 2231387, 2534138, 4462774, 5068276, 6335345, 8925548, 10136552, 11156935, 12670690, 17851096, 20273104, 22313870, 25341380, 35702192, 44627740, 50682760, 89255480, 101365520, 178510960, 252146731, 504293462, 1008586924, 1260733655, 2017173848, 2521467310, 4034347696, 5042934620, 10085869240, 20171738480]

約数ペア:

[(1, 20171738480), (2, 10085869240), (4, 5042934620), (5, 4034347696), (8, 2521467310), (10, 2017173848), (16, 1260733655), (20, 1008586924), (40, 504293462), (80, 252146731), (113, 178510960), (199, 101365520), (226, 89255480), (398, 50682760), (452, 44627740), (565, 35702192), (796, 25341380), (904, 22313870), (995, 20273104), (1130, 17851096), (1592, 12670690), (1808, 11156935), (1990, 10136552), (2260, 8925548), (3184, 6335345), (3980, 5068276), (4520, 4462774), (7960, 2534138), (9040, 2231387), (11213, 1798960), (15920, 1267069), (22426, 899480), (22487, 897040), (44852, 449740), (44974, 448520), (56065, 359792), (89704, 224870), (89948, 224260), (112130, 179896), (112435, 179408)]