80884804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20201}}^1$

素因数の和:20236

約数の個数: 48

約数和(自身を含む): 190060416

約数和(自身を除く): 109175612

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 20201, 40402, 80804, 141407, 222211, 262613, 282814, 444422, 525226, 565628, 888844, 1050452, 1555477, 1838291, 2888743, 3110954, 3676582, 5777486, 6221908, 7353164, 11554972, 20221201, 40442402, 80884804]

約数ペア:

[(1, 80884804), (2, 40442402), (4, 20221201), (7, 11554972), (11, 7353164), (13, 6221908), (14, 5777486), (22, 3676582), (26, 3110954), (28, 2888743), (44, 1838291), (52, 1555477), (77, 1050452), (91, 888844), (143, 565628), (154, 525226), (182, 444422), (286, 282814), (308, 262613), (364, 222211), (572, 141407), (1001, 80804), (2002, 40402), (4004, 20201)]