39967920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{55511}}^1$

素因数の和:55530

約数の個数: 60

約数和(自身を含む): 134228016

約数和(自身を除く): 94260096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 55511, 111022, 166533, 222044, 277555, 333066, 444088, 499599, 555110, 666132, 832665, 888176, 999198, 1110220, 1332264, 1665330, 1998396, 2220440, 2497995, 2664528, 3330660, 3996792, 4440880, 4995990, 6661320, 7993584, 9991980, 13322640, 19983960, 39967920]

約数ペア:

[(1, 39967920), (2, 19983960), (3, 13322640), (4, 9991980), (5, 7993584), (6, 6661320), (8, 4995990), (9, 4440880), (10, 3996792), (12, 3330660), (15, 2664528), (16, 2497995), (18, 2220440), (20, 1998396), (24, 1665330), (30, 1332264), (36, 1110220), (40, 999198), (45, 888176), (48, 832665), (60, 666132), (72, 555110), (80, 499599), (90, 444088), (120, 333066), (144, 277555), (180, 222044), (240, 166533), (360, 111022), (720, 55511)]