127137440

素因数分解:

$2^5\times 5^1\times {\mathrm{797}}^1\times {\mathrm{997}}^1$

素因数の和:1809

約数の個数: 48

約数和(自身を含む): 301040712

約数和(自身を除く): 173903272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 797, 997, 1594, 1994, 3188, 3985, 3988, 4985, 6376, 7970, 7976, 9970, 12752, 15940, 15952, 19940, 25504, 31880, 31904, 39880, 63760, 79760, 127520, 159520, 794609, 1589218, 3178436, 3973045, 6356872, 7946090, 12713744, 15892180, 25427488, 31784360, 63568720, 127137440]

約数ペア:

[(1, 127137440), (2, 63568720), (4, 31784360), (5, 25427488), (8, 15892180), (10, 12713744), (16, 7946090), (20, 6356872), (32, 3973045), (40, 3178436), (80, 1589218), (160, 794609), (797, 159520), (997, 127520), (1594, 79760), (1994, 63760), (3188, 39880), (3985, 31904), (3988, 31880), (4985, 25504), (6376, 19940), (7970, 15952), (7976, 15940), (9970, 12752)]