1300673600

素因数分解:

$2^6\times 5^2\times {\mathrm{812921}}^1$

素因数の和:812943

約数の個数: 42

約数和(自身を含む): 3200473914

約数和(自身を除く): 1899800314

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 812921, 1625842, 3251684, 4064605, 6503368, 8129210, 13006736, 16258420, 20323025, 26013472, 32516840, 40646050, 52026944, 65033680, 81292100, 130067360, 162584200, 260134720, 325168400, 650336800, 1300673600]

約数ペア:

[(1, 1300673600), (2, 650336800), (4, 325168400), (5, 260134720), (8, 162584200), (10, 130067360), (16, 81292100), (20, 65033680), (25, 52026944), (32, 40646050), (40, 32516840), (50, 26013472), (64, 20323025), (80, 16258420), (100, 13006736), (160, 8129210), (200, 6503368), (320, 4064605), (400, 3251684), (800, 1625842), (1600, 812921)]