28715000

素因数分解:

$2^3\times 5^4\times {\mathrm{5743}}^1$

素因数の和:5769

約数の個数: 40

約数和(自身を含む): 67290960

約数和(自身を除く): 38575960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5743, 11486, 22972, 28715, 45944, 57430, 114860, 143575, 229720, 287150, 574300, 717875, 1148600, 1435750, 2871500, 3589375, 5743000, 7178750, 14357500, 28715000]

約数ペア:

[(1, 28715000), (2, 14357500), (4, 7178750), (5, 5743000), (8, 3589375), (10, 2871500), (20, 1435750), (25, 1148600), (40, 717875), (50, 574300), (100, 287150), (125, 229720), (200, 143575), (250, 114860), (500, 57430), (625, 45944), (1000, 28715), (1250, 22972), (2500, 11486), (5000, 5743)]