2019947960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{691763}}^1$

素因数の和:691847

約数の個数: 32

約数和(自身を含む): 4607148240

約数和(自身を除く): 2587200280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 691763, 1383526, 2767052, 3458815, 5534104, 6917630, 13835260, 27670520, 50498699, 100997398, 201994796, 252493495, 403989592, 504986990, 1009973980, 2019947960]

約数ペア:

[(1, 2019947960), (2, 1009973980), (4, 504986990), (5, 403989592), (8, 252493495), (10, 201994796), (20, 100997398), (40, 50498699), (73, 27670520), (146, 13835260), (292, 6917630), (365, 5534104), (584, 3458815), (730, 2767052), (1460, 1383526), (2920, 691763)]