30815000

素因数分解:

$2^3\times 5^4\times {\mathrm{6163}}^1$

素因数の和:6189

約数の個数: 40

約数和(自身を含む): 72211260

約数和(自身を除く): 41396260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 6163, 12326, 24652, 30815, 49304, 61630, 123260, 154075, 246520, 308150, 616300, 770375, 1232600, 1540750, 3081500, 3851875, 6163000, 7703750, 15407500, 30815000]

約数ペア:

[(1, 30815000), (2, 15407500), (4, 7703750), (5, 6163000), (8, 3851875), (10, 3081500), (20, 1540750), (25, 1232600), (40, 770375), (50, 616300), (100, 308150), (125, 246520), (200, 154075), (250, 123260), (500, 61630), (625, 49304), (1000, 30815), (1250, 24652), (2500, 12326), (5000, 6163)]