39647720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 108345600

約数和(自身を除く): 68697880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 43, 56, 70, 74, 86, 89, 140, 148, 172, 178, 185, 215, 259, 280, 296, 301, 344, 356, 370, 430, 445, 518, 602, 623, 712, 740, 860, 890, 1036, 1204, 1246, 1295, 1480, 1505, 1591, 1720, 1780, 2072, 2408, 2492, 2590, 3010, 3115, 3182, 3293, 3560, 3827, 4984, 5180, 6020, 6230, 6364, 6586, 7654, 7955, 10360, 11137, 12040, 12460, 12728, 13172, 15308, 15910, 16465, 19135, 22274, 23051, 24920, 26344, 26789, 30616, 31820, 32930, 38270, 44548, 46102, 53578, 55685, 63640, 65860, 76540, 89096, 92204, 107156, 111370, 115255, 131720, 133945, 141599, 153080, 184408, 214312, 222740, 230510, 267890, 283198, 445480, 461020, 535780, 566396, 707995, 922040, 991193, 1071560, 1132792, 1415990, 1982386, 2831980, 3964772, 4955965, 5663960, 7929544, 9911930, 19823860, 39647720]

約数ペア:

[(1, 39647720), (2, 19823860), (4, 9911930), (5, 7929544), (7, 5663960), (8, 4955965), (10, 3964772), (14, 2831980), (20, 1982386), (28, 1415990), (35, 1132792), (37, 1071560), (40, 991193), (43, 922040), (56, 707995), (70, 566396), (74, 535780), (86, 461020), (89, 445480), (140, 283198), (148, 267890), (172, 230510), (178, 222740), (185, 214312), (215, 184408), (259, 153080), (280, 141599), (296, 133945), (301, 131720), (344, 115255), (356, 111370), (370, 107156), (430, 92204), (445, 89096), (518, 76540), (602, 65860), (623, 63640), (712, 55685), (740, 53578), (860, 46102), (890, 44548), (1036, 38270), (1204, 32930), (1246, 31820), (1295, 30616), (1480, 26789), (1505, 26344), (1591, 24920), (1720, 23051), (1780, 22274), (2072, 19135), (2408, 16465), (2492, 15910), (2590, 15308), (3010, 13172), (3115, 12728), (3182, 12460), (3293, 12040), (3560, 11137), (3827, 10360), (4984, 7955), (5180, 7654), (6020, 6586), (6230, 6364)]