42479120

素因数分解:

$2^4\times 5^1\times {\mathrm{530989}}^1$

素因数の和:531002

約数の個数: 20

約数和(自身を含む): 98764140

約数和(自身を除く): 56285020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 530989, 1061978, 2123956, 2654945, 4247912, 5309890, 8495824, 10619780, 21239560, 42479120]

約数ペア:

[(1, 42479120), (2, 21239560), (4, 10619780), (5, 8495824), (8, 5309890), (10, 4247912), (16, 2654945), (20, 2123956), (40, 1061978), (80, 530989)]