40880720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 100172160

約数和(自身を除く): 59291440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 67, 80, 116, 134, 145, 232, 263, 268, 290, 335, 464, 526, 536, 580, 670, 1052, 1072, 1160, 1315, 1340, 1943, 2104, 2320, 2630, 2680, 3886, 4208, 5260, 5360, 7627, 7772, 9715, 10520, 15254, 15544, 17621, 19430, 21040, 30508, 31088, 35242, 38135, 38860, 61016, 70484, 76270, 77720, 88105, 122032, 140968, 152540, 155440, 176210, 281936, 305080, 352420, 511009, 610160, 704840, 1022018, 1409680, 2044036, 2555045, 4088072, 5110090, 8176144, 10220180, 20440360, 40880720]

約数ペア:

[(1, 40880720), (2, 20440360), (4, 10220180), (5, 8176144), (8, 5110090), (10, 4088072), (16, 2555045), (20, 2044036), (29, 1409680), (40, 1022018), (58, 704840), (67, 610160), (80, 511009), (116, 352420), (134, 305080), (145, 281936), (232, 176210), (263, 155440), (268, 152540), (290, 140968), (335, 122032), (464, 88105), (526, 77720), (536, 76270), (580, 70484), (670, 61016), (1052, 38860), (1072, 38135), (1160, 35242), (1315, 31088), (1340, 30508), (1943, 21040), (2104, 19430), (2320, 17621), (2630, 15544), (2680, 15254), (3886, 10520), (4208, 9715), (5260, 7772), (5360, 7627)]