2017735960

素因数分解:

$2^3\times 5^1\times {\mathrm{7621}}^1\times {\mathrm{6619}}^1$

素因数の和:14251

約数の個数: 32

約数和(自身を含む): 4541187600

約数和(自身を除く): 2523451640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6619, 7621, 13238, 15242, 26476, 30484, 33095, 38105, 52952, 60968, 66190, 76210, 132380, 152420, 264760, 304840, 50443399, 100886798, 201773596, 252216995, 403547192, 504433990, 1008867980, 2017735960]

約数ペア:

[(1, 2017735960), (2, 1008867980), (4, 504433990), (5, 403547192), (8, 252216995), (10, 201773596), (20, 100886798), (40, 50443399), (6619, 304840), (7621, 264760), (13238, 152420), (15242, 132380), (26476, 76210), (30484, 66190), (33095, 60968), (38105, 52952)]