12808240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6961}}^1$

素因数の和:6997

約数の個数: 40

約数和(自身を含む): 31078368

約数和(自身を除く): 18270128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 6961, 13922, 27844, 34805, 55688, 69610, 111376, 139220, 160103, 278440, 320206, 556880, 640412, 800515, 1280824, 1601030, 2561648, 3202060, 6404120, 12808240]

約数ペア:

[(1, 12808240), (2, 6404120), (4, 3202060), (5, 2561648), (8, 1601030), (10, 1280824), (16, 800515), (20, 640412), (23, 556880), (40, 320206), (46, 278440), (80, 160103), (92, 139220), (115, 111376), (184, 69610), (230, 55688), (368, 34805), (460, 27844), (920, 13922), (1840, 6961)]