15694079980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11052169}}^1$

素因数の和:11052249

約数の個数: 24

約数和(自身を含む): 33421762080

約数和(自身を除く): 17727682100

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 11052169, 22104338, 44208676, 55260845, 110521690, 221043380, 784703999, 1569407998, 3138815996, 3923519995, 7847039990, 15694079980]

約数ペア:

[(1, 15694079980), (2, 7847039990), (4, 3923519995), (5, 3138815996), (10, 1569407998), (20, 784703999), (71, 221043380), (142, 110521690), (284, 55260845), (355, 44208676), (710, 22104338), (1420, 11052169)]