12933040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3943}}^1$

素因数の和:3997

約数の個数: 40

約数和(自身を含む): 30810528

約数和(自身を除く): 17877488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3943, 7886, 15772, 19715, 31544, 39430, 63088, 78860, 157720, 161663, 315440, 323326, 646652, 808315, 1293304, 1616630, 2586608, 3233260, 6466520, 12933040]

約数ペア:

[(1, 12933040), (2, 6466520), (4, 3233260), (5, 2586608), (8, 1616630), (10, 1293304), (16, 808315), (20, 646652), (40, 323326), (41, 315440), (80, 161663), (82, 157720), (164, 78860), (205, 63088), (328, 39430), (410, 31544), (656, 19715), (820, 15772), (1640, 7886), (3280, 3943)]