39020180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27479}}^1$

素因数の和:27559

約数の個数: 24

約数和(自身を含む): 83099520

約数和(自身を除く): 44079340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27479, 54958, 109916, 137395, 274790, 549580, 1951009, 3902018, 7804036, 9755045, 19510090, 39020180]

約数ペア:

[(1, 39020180), (2, 19510090), (4, 9755045), (5, 7804036), (10, 3902018), (20, 1951009), (71, 549580), (142, 274790), (284, 137395), (355, 109916), (710, 54958), (1420, 27479)]