28118560

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 70120512

約数和(自身を除く): 42001952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 67, 80, 86, 122, 134, 160, 172, 215, 244, 268, 305, 335, 344, 430, 488, 536, 610, 670, 688, 860, 976, 1072, 1220, 1340, 1376, 1720, 1952, 2144, 2440, 2623, 2680, 2881, 3440, 4087, 4880, 5246, 5360, 5762, 6880, 8174, 9760, 10492, 10720, 11524, 13115, 14405, 16348, 20435, 20984, 23048, 26230, 28810, 32696, 40870, 41968, 46096, 52460, 57620, 65392, 81740, 83936, 92192, 104920, 115240, 130784, 163480, 175741, 209840, 230480, 326960, 351482, 419680, 460960, 653920, 702964, 878705, 1405928, 1757410, 2811856, 3514820, 5623712, 7029640, 14059280, 28118560]

約数ペア:

[(1, 28118560), (2, 14059280), (4, 7029640), (5, 5623712), (8, 3514820), (10, 2811856), (16, 1757410), (20, 1405928), (32, 878705), (40, 702964), (43, 653920), (61, 460960), (67, 419680), (80, 351482), (86, 326960), (122, 230480), (134, 209840), (160, 175741), (172, 163480), (215, 130784), (244, 115240), (268, 104920), (305, 92192), (335, 83936), (344, 81740), (430, 65392), (488, 57620), (536, 52460), (610, 46096), (670, 41968), (688, 40870), (860, 32696), (976, 28810), (1072, 26230), (1220, 23048), (1340, 20984), (1376, 20435), (1720, 16348), (1952, 14405), (2144, 13115), (2440, 11524), (2623, 10720), (2680, 10492), (2881, 9760), (3440, 8174), (4087, 6880), (4880, 5762), (5246, 5360)]