28156750

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 54832752

約数和(自身を除く): 26676002

約数列:

[1, 2, 5, 10, 25, 41, 50, 67, 82, 125, 134, 205, 250, 335, 410, 670, 1025, 1675, 1681, 2050, 2747, 3350, 3362, 5125, 5494, 8375, 8405, 10250, 13735, 16750, 16810, 27470, 42025, 68675, 84050, 112627, 137350, 210125, 225254, 343375, 420250, 563135, 686750, 1126270, 2815675, 5631350, 14078375, 28156750]

約数ペア:

[(1, 28156750), (2, 14078375), (5, 5631350), (10, 2815675), (25, 1126270), (41, 686750), (50, 563135), (67, 420250), (82, 343375), (125, 225254), (134, 210125), (205, 137350), (250, 112627), (335, 84050), (410, 68675), (670, 42025), (1025, 27470), (1675, 16810), (1681, 16750), (2050, 13735), (2747, 10250), (3350, 8405), (3362, 8375), (5125, 5494)]