2013641375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 2789130240

約数和(自身を除く): 775488865

約数列:

[1, 5, 19, 23, 25, 95, 115, 125, 191, 193, 437, 475, 575, 955, 965, 2185, 2375, 2875, 3629, 3667, 4393, 4439, 4775, 4825, 10925, 18145, 18335, 21965, 22195, 23875, 24125, 36863, 54625, 83467, 84341, 90725, 91675, 109825, 110975, 184315, 417335, 421705, 453625, 458375, 549125, 554875, 700397, 847849, 921575, 2086675, 2108525, 3501985, 4239245, 4607875, 10433375, 10542625, 16109131, 17509925, 21196225, 80545655, 87549625, 105981125, 402728275, 2013641375]

約数ペア:

[(1, 2013641375), (5, 402728275), (19, 105981125), (23, 87549625), (25, 80545655), (95, 21196225), (115, 17509925), (125, 16109131), (191, 10542625), (193, 10433375), (437, 4607875), (475, 4239245), (575, 3501985), (955, 2108525), (965, 2086675), (2185, 921575), (2375, 847849), (2875, 700397), (3629, 554875), (3667, 549125), (4393, 458375), (4439, 453625), (4775, 421705), (4825, 417335), (10925, 184315), (18145, 110975), (18335, 109825), (21965, 91675), (22195, 90725), (23875, 84341), (24125, 83467), (36863, 54625)]