27721000760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{544403}}^1$

素因数の和:544500

約数の個数: 64

約数和(自身を含む): 66635049600

約数和(自身を除く): 38914048840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 268, 335, 380, 536, 670, 760, 1273, 1340, 2546, 2680, 5092, 6365, 10184, 12730, 25460, 50920, 544403, 1088806, 2177612, 2722015, 4355224, 5444030, 10343657, 10888060, 20687314, 21776120, 36475001, 41374628, 51718285, 72950002, 82749256, 103436570, 145900004, 182375005, 206873140, 291800008, 364750010, 413746280, 693025019, 729500020, 1386050038, 1459000040, 2772100076, 3465125095, 5544200152, 6930250190, 13860500380, 27721000760]

約数ペア:

[(1, 27721000760), (2, 13860500380), (4, 6930250190), (5, 5544200152), (8, 3465125095), (10, 2772100076), (19, 1459000040), (20, 1386050038), (38, 729500020), (40, 693025019), (67, 413746280), (76, 364750010), (95, 291800008), (134, 206873140), (152, 182375005), (190, 145900004), (268, 103436570), (335, 82749256), (380, 72950002), (536, 51718285), (670, 41374628), (760, 36475001), (1273, 21776120), (1340, 20687314), (2546, 10888060), (2680, 10343657), (5092, 5444030), (6365, 4355224), (10184, 2722015), (12730, 2177612), (25460, 1088806), (50920, 544403)]