9938000

素因数分解:

$2^4\times 5^3\times {\mathrm{4969}}^1$

素因数の和:4992

約数の個数: 40

約数和(自身を含む): 24034920

約数和(自身を除く): 14096920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 4969, 9938, 19876, 24845, 39752, 49690, 79504, 99380, 124225, 198760, 248450, 397520, 496900, 621125, 993800, 1242250, 1987600, 2484500, 4969000, 9938000]

約数ペア:

[(1, 9938000), (2, 4969000), (4, 2484500), (5, 1987600), (8, 1242250), (10, 993800), (16, 621125), (20, 496900), (25, 397520), (40, 248450), (50, 198760), (80, 124225), (100, 99380), (125, 79504), (200, 49690), (250, 39752), (400, 24845), (500, 19876), (1000, 9938), (2000, 4969)]