28707370360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10108229}}^1$

素因数の和:10108311

約数の個数: 32

約数和(自身を含む): 65501330400

約数和(自身を除く): 36793960040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10108229, 20216458, 40432916, 50541145, 80865832, 101082290, 202164580, 404329160, 717684259, 1435368518, 2870737036, 3588421295, 5741474072, 7176842590, 14353685180, 28707370360]

約数ペア:

[(1, 28707370360), (2, 14353685180), (4, 7176842590), (5, 5741474072), (8, 3588421295), (10, 2870737036), (20, 1435368518), (40, 717684259), (71, 404329160), (142, 202164580), (284, 101082290), (355, 80865832), (568, 50541145), (710, 40432916), (1420, 20216458), (2840, 10108229)]