80438240

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8521}}^1$

素因数の和:8595

約数の個数: 48

約数和(自身を含む): 193278960

約数和(自身を除く): 112840720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2360, 4720, 8521, 9440, 17042, 34084, 42605, 68168, 85210, 136336, 170420, 272672, 340840, 502739, 681680, 1005478, 1363360, 2010956, 2513695, 4021912, 5027390, 8043824, 10054780, 16087648, 20109560, 40219120, 80438240]

約数ペア:

[(1, 80438240), (2, 40219120), (4, 20109560), (5, 16087648), (8, 10054780), (10, 8043824), (16, 5027390), (20, 4021912), (32, 2513695), (40, 2010956), (59, 1363360), (80, 1005478), (118, 681680), (160, 502739), (236, 340840), (295, 272672), (472, 170420), (590, 136336), (944, 85210), (1180, 68168), (1888, 42605), (2360, 34084), (4720, 17042), (8521, 9440)]