2650520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 6462720

約数和(自身を除く): 3812200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 67, 86, 92, 115, 134, 172, 184, 215, 230, 268, 335, 344, 430, 460, 536, 670, 860, 920, 989, 1340, 1541, 1720, 1978, 2680, 2881, 3082, 3956, 4945, 5762, 6164, 7705, 7912, 9890, 11524, 12328, 14405, 15410, 19780, 23048, 28810, 30820, 39560, 57620, 61640, 66263, 115240, 132526, 265052, 331315, 530104, 662630, 1325260, 2650520]

約数ペア:

[(1, 2650520), (2, 1325260), (4, 662630), (5, 530104), (8, 331315), (10, 265052), (20, 132526), (23, 115240), (40, 66263), (43, 61640), (46, 57620), (67, 39560), (86, 30820), (92, 28810), (115, 23048), (134, 19780), (172, 15410), (184, 14405), (215, 12328), (230, 11524), (268, 9890), (335, 7912), (344, 7705), (430, 6164), (460, 5762), (536, 4945), (670, 3956), (860, 3082), (920, 2881), (989, 2680), (1340, 1978), (1541, 1720)]