202275320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{388991}}^1$

素因数の和:389015

約数の個数: 32

約数和(自身を含む): 490129920

約数和(自身を除く): 287854600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 388991, 777982, 1555964, 1944955, 3111928, 3889910, 5056883, 7779820, 10113766, 15559640, 20227532, 25284415, 40455064, 50568830, 101137660, 202275320]

約数ペア:

[(1, 202275320), (2, 101137660), (4, 50568830), (5, 40455064), (8, 25284415), (10, 20227532), (13, 15559640), (20, 10113766), (26, 7779820), (40, 5056883), (52, 3889910), (65, 3111928), (104, 1944955), (130, 1555964), (260, 777982), (520, 388991)]