78382000

素因数分解:

$2^4\times 5^3\times {\mathrm{39191}}^1$

素因数の和:39214

約数の個数: 40

約数和(自身を含む): 189532512

約数和(自身を除く): 111150512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 39191, 78382, 156764, 195955, 313528, 391910, 627056, 783820, 979775, 1567640, 1959550, 3135280, 3919100, 4898875, 7838200, 9797750, 15676400, 19595500, 39191000, 78382000]

約数ペア:

[(1, 78382000), (2, 39191000), (4, 19595500), (5, 15676400), (8, 9797750), (10, 7838200), (16, 4898875), (20, 3919100), (25, 3135280), (40, 1959550), (50, 1567640), (80, 979775), (100, 783820), (125, 627056), (200, 391910), (250, 313528), (400, 195955), (500, 156764), (1000, 78382), (2000, 39191)]