2045800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 4871340

約数和(自身を除く): 2825540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 193, 200, 212, 265, 386, 424, 530, 772, 965, 1060, 1325, 1544, 1930, 2120, 2650, 3860, 4825, 5300, 7720, 9650, 10229, 10600, 19300, 20458, 38600, 40916, 51145, 81832, 102290, 204580, 255725, 409160, 511450, 1022900, 2045800]

約数ペア:

[(1, 2045800), (2, 1022900), (4, 511450), (5, 409160), (8, 255725), (10, 204580), (20, 102290), (25, 81832), (40, 51145), (50, 40916), (53, 38600), (100, 20458), (106, 19300), (193, 10600), (200, 10229), (212, 9650), (265, 7720), (386, 5300), (424, 4825), (530, 3860), (772, 2650), (965, 2120), (1060, 1930), (1325, 1544)]