85565740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17321}}^1$

素因数の和:17362

約数の個数: 48

約数和(自身を含む): 203706720

約数和(自身を除く): 118140980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 17321, 34642, 69284, 86605, 173210, 225173, 329099, 346420, 450346, 658198, 900692, 1125865, 1316396, 1645495, 2251730, 3290990, 4278287, 4503460, 6581980, 8556574, 17113148, 21391435, 42782870, 85565740]

約数ペア:

[(1, 85565740), (2, 42782870), (4, 21391435), (5, 17113148), (10, 8556574), (13, 6581980), (19, 4503460), (20, 4278287), (26, 3290990), (38, 2251730), (52, 1645495), (65, 1316396), (76, 1125865), (95, 900692), (130, 658198), (190, 450346), (247, 346420), (260, 329099), (380, 225173), (494, 173210), (988, 86605), (1235, 69284), (2470, 34642), (4940, 17321)]