23987120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 60234240

約数和(自身を除く): 36247120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 367, 380, 430, 688, 734, 760, 817, 860, 1468, 1520, 1634, 1720, 1835, 2936, 3268, 3440, 3670, 4085, 5872, 6536, 6973, 7340, 8170, 13072, 13946, 14680, 15781, 16340, 27892, 29360, 31562, 32680, 34865, 55784, 63124, 65360, 69730, 78905, 111568, 126248, 139460, 157810, 252496, 278920, 299839, 315620, 557840, 599678, 631240, 1199356, 1262480, 1499195, 2398712, 2998390, 4797424, 5996780, 11993560, 23987120]

約数ペア:

[(1, 23987120), (2, 11993560), (4, 5996780), (5, 4797424), (8, 2998390), (10, 2398712), (16, 1499195), (19, 1262480), (20, 1199356), (38, 631240), (40, 599678), (43, 557840), (76, 315620), (80, 299839), (86, 278920), (95, 252496), (152, 157810), (172, 139460), (190, 126248), (215, 111568), (304, 78905), (344, 69730), (367, 65360), (380, 63124), (430, 55784), (688, 34865), (734, 32680), (760, 31562), (817, 29360), (860, 27892), (1468, 16340), (1520, 15781), (1634, 14680), (1720, 13946), (1835, 13072), (2936, 8170), (3268, 7340), (3440, 6973), (3670, 6536), (4085, 5872)]