77620000

素因数分解:

$2^5\times 5^4\times {\mathrm{3881}}^1$

素因数の和:3911

約数の個数: 60

約数和(自身を含む): 191006046

約数和(自身を除く): 113386046

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 3881, 4000, 5000, 7762, 10000, 15524, 19405, 20000, 31048, 38810, 62096, 77620, 97025, 124192, 155240, 194050, 310480, 388100, 485125, 620960, 776200, 970250, 1552400, 1940500, 2425625, 3104800, 3881000, 4851250, 7762000, 9702500, 15524000, 19405000, 38810000, 77620000]

約数ペア:

[(1, 77620000), (2, 38810000), (4, 19405000), (5, 15524000), (8, 9702500), (10, 7762000), (16, 4851250), (20, 3881000), (25, 3104800), (32, 2425625), (40, 1940500), (50, 1552400), (80, 970250), (100, 776200), (125, 620960), (160, 485125), (200, 388100), (250, 310480), (400, 194050), (500, 155240), (625, 124192), (800, 97025), (1000, 77620), (1250, 62096), (2000, 38810), (2500, 31048), (3881, 20000), (4000, 19405), (5000, 15524), (7762, 10000)]