20059121275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{2039}}^1$

素因数の和:2356

約数の個数: 48

約数和(自身を含む): 26560800000

約数和(自身を除く): 6501678725

約数列:

[1, 5, 19, 25, 95, 139, 149, 475, 695, 745, 2039, 2641, 2831, 3475, 3725, 10195, 13205, 14155, 20711, 38741, 50975, 66025, 70775, 103555, 193705, 283421, 303811, 393509, 517775, 968525, 1417105, 1519055, 1967545, 5384999, 5772409, 7085525, 7595275, 9837725, 26924995, 28862045, 42229729, 134624975, 144310225, 211148645, 802364851, 1055743225, 4011824255, 20059121275]

約数ペア:

[(1, 20059121275), (5, 4011824255), (19, 1055743225), (25, 802364851), (95, 211148645), (139, 144310225), (149, 134624975), (475, 42229729), (695, 28862045), (745, 26924995), (2039, 9837725), (2641, 7595275), (2831, 7085525), (3475, 5772409), (3725, 5384999), (10195, 1967545), (13205, 1519055), (14155, 1417105), (20711, 968525), (38741, 517775), (50975, 393509), (66025, 303811), (70775, 283421), (103555, 193705)]