40667680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 102985344

約数和(自身を除く): 62317664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 80, 86, 92, 115, 160, 172, 184, 215, 230, 257, 344, 368, 430, 460, 514, 688, 736, 860, 920, 989, 1028, 1285, 1376, 1720, 1840, 1978, 2056, 2570, 3440, 3680, 3956, 4112, 4945, 5140, 5911, 6880, 7912, 8224, 9890, 10280, 11051, 11822, 15824, 19780, 20560, 22102, 23644, 29555, 31648, 39560, 41120, 44204, 47288, 55255, 59110, 79120, 88408, 94576, 110510, 118220, 158240, 176816, 189152, 221020, 236440, 254173, 353632, 442040, 472880, 508346, 884080, 945760, 1016692, 1270865, 1768160, 2033384, 2541730, 4066768, 5083460, 8133536, 10166920, 20333840, 40667680]

約数ペア:

[(1, 40667680), (2, 20333840), (4, 10166920), (5, 8133536), (8, 5083460), (10, 4066768), (16, 2541730), (20, 2033384), (23, 1768160), (32, 1270865), (40, 1016692), (43, 945760), (46, 884080), (80, 508346), (86, 472880), (92, 442040), (115, 353632), (160, 254173), (172, 236440), (184, 221020), (215, 189152), (230, 176816), (257, 158240), (344, 118220), (368, 110510), (430, 94576), (460, 88408), (514, 79120), (688, 59110), (736, 55255), (860, 47288), (920, 44204), (989, 41120), (1028, 39560), (1285, 31648), (1376, 29555), (1720, 23644), (1840, 22102), (1978, 20560), (2056, 19780), (2570, 15824), (3440, 11822), (3680, 11051), (3956, 10280), (4112, 9890), (4945, 8224), (5140, 7912), (5911, 6880)]