80777785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 113379840

約数和(自身を除く): 32602055

約数列:

[1, 5, 11, 31, 55, 59, 73, 121, 155, 295, 341, 365, 605, 649, 803, 1705, 1829, 2263, 3245, 3751, 4015, 4307, 7139, 8833, 9145, 11315, 18755, 20119, 21535, 24893, 35695, 44165, 47377, 100595, 124465, 133517, 221309, 236885, 273823, 521147, 667585, 1106545, 1369115, 1468687, 2605735, 7343435, 16155557, 80777785]

約数ペア:

[(1, 80777785), (5, 16155557), (11, 7343435), (31, 2605735), (55, 1468687), (59, 1369115), (73, 1106545), (121, 667585), (155, 521147), (295, 273823), (341, 236885), (365, 221309), (605, 133517), (649, 124465), (803, 100595), (1705, 47377), (1829, 44165), (2263, 35695), (3245, 24893), (3751, 21535), (4015, 20119), (4307, 18755), (7139, 11315), (8833, 9145)]