1028289280

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10169}}^1$

素因数の和:10269

約数の個数: 72

約数和(自身を含む): 2494497600

約数和(自身を除く): 1466208320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 1264, 1280, 1580, 2528, 3160, 5056, 6320, 10112, 10169, 12640, 20224, 20338, 25280, 40676, 50560, 50845, 81352, 101120, 101690, 162704, 203380, 325408, 406760, 650816, 803351, 813520, 1301632, 1606702, 1627040, 2603264, 3213404, 3254080, 4016755, 6426808, 6508160, 8033510, 12853616, 13016320, 16067020, 25707232, 32134040, 51414464, 64268080, 102828928, 128536160, 205657856, 257072320, 514144640, 1028289280]

約数ペア:

[(1, 1028289280), (2, 514144640), (4, 257072320), (5, 205657856), (8, 128536160), (10, 102828928), (16, 64268080), (20, 51414464), (32, 32134040), (40, 25707232), (64, 16067020), (79, 13016320), (80, 12853616), (128, 8033510), (158, 6508160), (160, 6426808), (256, 4016755), (316, 3254080), (320, 3213404), (395, 2603264), (632, 1627040), (640, 1606702), (790, 1301632), (1264, 813520), (1280, 803351), (1580, 650816), (2528, 406760), (3160, 325408), (5056, 203380), (6320, 162704), (10112, 101690), (10169, 101120), (12640, 81352), (20224, 50845), (20338, 50560), (25280, 40676)]