8127280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 22569984

約数和(自身を除く): 14442704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 631, 644, 805, 920, 1262, 1288, 1610, 1840, 2524, 2576, 3155, 3220, 4417, 5048, 6310, 6440, 8834, 10096, 12620, 12880, 14513, 17668, 22085, 25240, 29026, 35336, 44170, 50480, 58052, 70672, 72565, 88340, 101591, 116104, 145130, 176680, 203182, 232208, 290260, 353360, 406364, 507955, 580520, 812728, 1015910, 1161040, 1625456, 2031820, 4063640, 8127280]

約数ペア:

[(1, 8127280), (2, 4063640), (4, 2031820), (5, 1625456), (7, 1161040), (8, 1015910), (10, 812728), (14, 580520), (16, 507955), (20, 406364), (23, 353360), (28, 290260), (35, 232208), (40, 203182), (46, 176680), (56, 145130), (70, 116104), (80, 101591), (92, 88340), (112, 72565), (115, 70672), (140, 58052), (161, 50480), (184, 44170), (230, 35336), (280, 29026), (322, 25240), (368, 22085), (460, 17668), (560, 14513), (631, 12880), (644, 12620), (805, 10096), (920, 8834), (1262, 6440), (1288, 6310), (1610, 5048), (1840, 4417), (2524, 3220), (2576, 3155)]