12804560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6959}}^1$

素因数の和:6995

約数の個数: 40

約数和(自身を含む): 31069440

約数和(自身を除く): 18264880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 6959, 13918, 27836, 34795, 55672, 69590, 111344, 139180, 160057, 278360, 320114, 556720, 640228, 800285, 1280456, 1600570, 2560912, 3201140, 6402280, 12804560]

約数ペア:

[(1, 12804560), (2, 6402280), (4, 3201140), (5, 2560912), (8, 1600570), (10, 1280456), (16, 800285), (20, 640228), (23, 556720), (40, 320114), (46, 278360), (80, 160057), (92, 139180), (115, 111344), (184, 69590), (230, 55672), (368, 34795), (460, 27836), (920, 13918), (1840, 6959)]