66403600

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4049}}^1$

素因数の和:4108

約数の個数: 60

約数和(自身を含む): 163466100

約数和(自身を除く): 97062500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4049, 4100, 8098, 8200, 16196, 16400, 20245, 32392, 40490, 64784, 80980, 101225, 161960, 166009, 202450, 323920, 332018, 404900, 664036, 809800, 830045, 1328072, 1619600, 1660090, 2656144, 3320180, 4150225, 6640360, 8300450, 13280720, 16600900, 33201800, 66403600]

約数ペア:

[(1, 66403600), (2, 33201800), (4, 16600900), (5, 13280720), (8, 8300450), (10, 6640360), (16, 4150225), (20, 3320180), (25, 2656144), (40, 1660090), (41, 1619600), (50, 1328072), (80, 830045), (82, 809800), (100, 664036), (164, 404900), (200, 332018), (205, 323920), (328, 202450), (400, 166009), (410, 161960), (656, 101225), (820, 80980), (1025, 64784), (1640, 40490), (2050, 32392), (3280, 20245), (4049, 16400), (4100, 16196), (8098, 8200)]