402005

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 16

約数和(自身を含む): 517104

約数和(自身を除く): 115099

約数列:

[1, 5, 37, 41, 53, 185, 205, 265, 1517, 1961, 2173, 7585, 9805, 10865, 80401, 402005]

約数ペア:

[(1, 402005), (5, 80401), (37, 10865), (41, 9805), (53, 7585), (185, 2173), (205, 1961), (265, 1517)]