8145680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 20891520

約数和(自身を除く): 12745840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 233, 304, 368, 380, 437, 460, 466, 760, 874, 920, 932, 1165, 1520, 1748, 1840, 1864, 2185, 2330, 3496, 3728, 4370, 4427, 4660, 5359, 6992, 8740, 8854, 9320, 10718, 17480, 17708, 18640, 21436, 22135, 26795, 34960, 35416, 42872, 44270, 53590, 70832, 85744, 88540, 101821, 107180, 177080, 203642, 214360, 354160, 407284, 428720, 509105, 814568, 1018210, 1629136, 2036420, 4072840, 8145680]

約数ペア:

[(1, 8145680), (2, 4072840), (4, 2036420), (5, 1629136), (8, 1018210), (10, 814568), (16, 509105), (19, 428720), (20, 407284), (23, 354160), (38, 214360), (40, 203642), (46, 177080), (76, 107180), (80, 101821), (92, 88540), (95, 85744), (115, 70832), (152, 53590), (184, 44270), (190, 42872), (230, 35416), (233, 34960), (304, 26795), (368, 22135), (380, 21436), (437, 18640), (460, 17708), (466, 17480), (760, 10718), (874, 9320), (920, 8854), (932, 8740), (1165, 6992), (1520, 5359), (1748, 4660), (1840, 4427), (1864, 4370), (2185, 3728), (2330, 3496)]