16021040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 44698032

約数和(自身を除く): 28676992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 61, 67, 70, 80, 98, 112, 122, 134, 140, 196, 244, 245, 268, 280, 305, 335, 392, 427, 469, 488, 490, 536, 560, 610, 670, 784, 854, 938, 976, 980, 1072, 1220, 1340, 1708, 1876, 1960, 2135, 2345, 2440, 2680, 2989, 3283, 3416, 3752, 3920, 4087, 4270, 4690, 4880, 5360, 5978, 6566, 6832, 7504, 8174, 8540, 9380, 11956, 13132, 14945, 16348, 16415, 17080, 18760, 20435, 23912, 26264, 28609, 29890, 32696, 32830, 34160, 37520, 40870, 47824, 52528, 57218, 59780, 65392, 65660, 81740, 114436, 119560, 131320, 143045, 163480, 200263, 228872, 239120, 262640, 286090, 326960, 400526, 457744, 572180, 801052, 1001315, 1144360, 1602104, 2002630, 2288720, 3204208, 4005260, 8010520, 16021040]

約数ペア:

[(1, 16021040), (2, 8010520), (4, 4005260), (5, 3204208), (7, 2288720), (8, 2002630), (10, 1602104), (14, 1144360), (16, 1001315), (20, 801052), (28, 572180), (35, 457744), (40, 400526), (49, 326960), (56, 286090), (61, 262640), (67, 239120), (70, 228872), (80, 200263), (98, 163480), (112, 143045), (122, 131320), (134, 119560), (140, 114436), (196, 81740), (244, 65660), (245, 65392), (268, 59780), (280, 57218), (305, 52528), (335, 47824), (392, 40870), (427, 37520), (469, 34160), (488, 32830), (490, 32696), (536, 29890), (560, 28609), (610, 26264), (670, 23912), (784, 20435), (854, 18760), (938, 17080), (976, 16415), (980, 16348), (1072, 14945), (1220, 13132), (1340, 11956), (1708, 9380), (1876, 8540), (1960, 8174), (2135, 7504), (2345, 6832), (2440, 6566), (2680, 5978), (2989, 5360), (3283, 4880), (3416, 4690), (3752, 4270), (3920, 4087)]