200078420

素因数分解:

$2^2\times 5^1\times {\mathrm{769}}^1\times {\mathrm{13009}}^1$

素因数の和:13787

約数の個数: 24

約数和(自身を含む): 420743400

約数和(自身を除く): 220664980

約数列:

[1, 2, 4, 5, 10, 20, 769, 1538, 3076, 3845, 7690, 13009, 15380, 26018, 52036, 65045, 130090, 260180, 10003921, 20007842, 40015684, 50019605, 100039210, 200078420]

約数ペア:

[(1, 200078420), (2, 100039210), (4, 50019605), (5, 40015684), (10, 20007842), (20, 10003921), (769, 260180), (1538, 130090), (3076, 65045), (3845, 52036), (7690, 26018), (13009, 15380)]