42020512120

素因数分解:

$2^3\times 5^1\times {\mathrm{1050512803}}^1$

素因数の和:1050512814

約数の個数: 16

約数和(自身を含む): 94546152360

約数和(自身を除く): 52525640240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1050512803, 2101025606, 4202051212, 5252564015, 8404102424, 10505128030, 21010256060, 42020512120]

約数ペア:

[(1, 42020512120), (2, 21010256060), (4, 10505128030), (5, 8404102424), (8, 5252564015), (10, 4202051212), (20, 2101025606), (40, 1050512803)]