77684000

素因数分解:

$2^5\times 5^3\times {\mathrm{19421}}^1$

素因数の和:19446

約数の個数: 48

約数和(自身を含む): 190879416

約数和(自身を除く): 113195416

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, 19421, 38842, 77684, 97105, 155368, 194210, 310736, 388420, 485525, 621472, 776840, 971050, 1553680, 1942100, 2427625, 3107360, 3884200, 4855250, 7768400, 9710500, 15536800, 19421000, 38842000, 77684000]

約数ペア:

[(1, 77684000), (2, 38842000), (4, 19421000), (5, 15536800), (8, 9710500), (10, 7768400), (16, 4855250), (20, 3884200), (25, 3107360), (32, 2427625), (40, 1942100), (50, 1553680), (80, 971050), (100, 776840), (125, 621472), (160, 485525), (200, 388420), (250, 310736), (400, 194210), (500, 155368), (800, 97105), (1000, 77684), (2000, 38842), (4000, 19421)]