28915000

素因数分解:

$2^3\times 5^4\times {\mathrm{5783}}^1$

素因数の和:5809

約数の個数: 40

約数和(自身を含む): 67759560

約数和(自身を除く): 38844560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5783, 11566, 23132, 28915, 46264, 57830, 115660, 144575, 231320, 289150, 578300, 722875, 1156600, 1445750, 2891500, 3614375, 5783000, 7228750, 14457500, 28915000]

約数ペア:

[(1, 28915000), (2, 14457500), (4, 7228750), (5, 5783000), (8, 3614375), (10, 2891500), (20, 1445750), (25, 1156600), (40, 722875), (50, 578300), (100, 289150), (125, 231320), (200, 144575), (250, 115660), (500, 57830), (625, 46264), (1000, 28915), (1250, 23132), (2500, 11566), (5000, 5783)]