23739440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 57877248

約数和(自身を除く): 34137808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 67, 80, 86, 103, 134, 172, 206, 215, 268, 335, 344, 412, 430, 515, 536, 670, 688, 824, 860, 1030, 1072, 1340, 1648, 1720, 2060, 2680, 2881, 3440, 4120, 4429, 5360, 5762, 6901, 8240, 8858, 11524, 13802, 14405, 17716, 22145, 23048, 27604, 28810, 34505, 35432, 44290, 46096, 55208, 57620, 69010, 70864, 88580, 110416, 115240, 138020, 177160, 230480, 276040, 296743, 354320, 552080, 593486, 1186972, 1483715, 2373944, 2967430, 4747888, 5934860, 11869720, 23739440]

約数ペア:

[(1, 23739440), (2, 11869720), (4, 5934860), (5, 4747888), (8, 2967430), (10, 2373944), (16, 1483715), (20, 1186972), (40, 593486), (43, 552080), (67, 354320), (80, 296743), (86, 276040), (103, 230480), (134, 177160), (172, 138020), (206, 115240), (215, 110416), (268, 88580), (335, 70864), (344, 69010), (412, 57620), (430, 55208), (515, 46096), (536, 44290), (670, 35432), (688, 34505), (824, 28810), (860, 27604), (1030, 23048), (1072, 22145), (1340, 17716), (1648, 14405), (1720, 13802), (2060, 11524), (2680, 8858), (2881, 8240), (3440, 6901), (4120, 5762), (4429, 5360)]