42478390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{38971}}^1$

素因数の和:39087

約数の個数: 16

約数和(自身を含む): 77164560

約数和(自身を除く): 34686170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 38971, 77942, 194855, 389710, 4247839, 8495678, 21239195, 42478390]

約数ペア:

[(1, 42478390), (2, 21239195), (5, 8495678), (10, 4247839), (109, 389710), (218, 194855), (545, 77942), (1090, 38971)]