42009080

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8017}}^1$

素因数の和:8159

約数の個数: 32

約数和(自身を含む): 95253840

約数和(自身を除く): 53244760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 8017, 16034, 32068, 40085, 64136, 80170, 160340, 320680, 1050227, 2100454, 4200908, 5251135, 8401816, 10502270, 21004540, 42009080]

約数ペア:

[(1, 42009080), (2, 21004540), (4, 10502270), (5, 8401816), (8, 5251135), (10, 4200908), (20, 2100454), (40, 1050227), (131, 320680), (262, 160340), (524, 80170), (655, 64136), (1048, 40085), (1310, 32068), (2620, 16034), (5240, 8017)]