1325260

素因数分解:

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

素因数の和:142

約数の個数: 48

約数和(自身を含む): 3015936

約数和(自身を除く): 1690676

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 67, 86, 92, 115, 134, 172, 215, 230, 268, 335, 430, 460, 670, 860, 989, 1340, 1541, 1978, 2881, 3082, 3956, 4945, 5762, 6164, 7705, 9890, 11524, 14405, 15410, 19780, 28810, 30820, 57620, 66263, 132526, 265052, 331315, 662630, 1325260]

約数ペア:

[(1, 1325260), (2, 662630), (4, 331315), (5, 265052), (10, 132526), (20, 66263), (23, 57620), (43, 30820), (46, 28810), (67, 19780), (86, 15410), (92, 14405), (115, 11524), (134, 9890), (172, 7705), (215, 6164), (230, 5762), (268, 4945), (335, 3956), (430, 3082), (460, 2881), (670, 1978), (860, 1541), (989, 1340)]