1878667040

素因数分解:

$2^5\times 5^1\times {\mathrm{997}}^1\times {\mathrm{11777}}^1$

素因数の和:12789

約数の個数: 48

約数和(自身を含む): 4443179832

約数和(自身を除く): 2564512792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 997, 1994, 3988, 4985, 7976, 9970, 11777, 15952, 19940, 23554, 31904, 39880, 47108, 58885, 79760, 94216, 117770, 159520, 188432, 235540, 376864, 471080, 942160, 1884320, 11741669, 23483338, 46966676, 58708345, 93933352, 117416690, 187866704, 234833380, 375733408, 469666760, 939333520, 1878667040]

約数ペア:

[(1, 1878667040), (2, 939333520), (4, 469666760), (5, 375733408), (8, 234833380), (10, 187866704), (16, 117416690), (20, 93933352), (32, 58708345), (40, 46966676), (80, 23483338), (160, 11741669), (997, 1884320), (1994, 942160), (3988, 471080), (4985, 376864), (7976, 235540), (9970, 188432), (11777, 159520), (15952, 117770), (19940, 94216), (23554, 79760), (31904, 58885), (39880, 47108)]