79372000

素因数分解:

$2^5\times 5^3\times {\mathrm{19843}}^1$

素因数の和:19868

約数の個数: 48

約数和(自身を含む): 195026832

約数和(自身を除く): 115654832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 19843, 39686, 79372, 99215, 158744, 198430, 317488, 396860, 496075, 634976, 793720, 992150, 1587440, 1984300, 2480375, 3174880, 3968600, 4960750, 7937200, 9921500, 15874400, 19843000, 39686000, 79372000]

約数ペア:

[(1, 79372000), (2, 39686000), (4, 19843000), (5, 15874400), (8, 9921500), (10, 7937200), (16, 4960750), (20, 3968600), (25, 3174880), (32, 2480375), (40, 1984300), (50, 1587440), (80, 992150), (100, 793720), (125, 634976), (160, 496075), (200, 396860), (250, 317488), (400, 198430), (500, 158744), (800, 99215), (1000, 79372), (2000, 39686), (4000, 19843)]