4008040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1033}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 9119880

約数和(自身を除く): 5111840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1033, 1940, 2066, 3880, 4132, 5165, 8264, 10330, 20660, 41320, 100201, 200402, 400804, 501005, 801608, 1002010, 2004020, 4008040]

約数ペア:

[(1, 4008040), (2, 2004020), (4, 1002010), (5, 801608), (8, 501005), (10, 400804), (20, 200402), (40, 100201), (97, 41320), (194, 20660), (388, 10330), (485, 8264), (776, 5165), (970, 4132), (1033, 3880), (1940, 2066)]