38990360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13729}}^1$

素因数の和:13811

約数の個数: 32

約数和(自身を含む): 88970400

約数和(自身を除く): 49980040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13729, 27458, 54916, 68645, 109832, 137290, 274580, 549160, 974759, 1949518, 3899036, 4873795, 7798072, 9747590, 19495180, 38990360]

約数ペア:

[(1, 38990360), (2, 19495180), (4, 9747590), (5, 7798072), (8, 4873795), (10, 3899036), (20, 1949518), (40, 974759), (71, 549160), (142, 274580), (284, 137290), (355, 109832), (568, 68645), (710, 54916), (1420, 27458), (2840, 13729)]