79900940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12143}}^1$

素因数の和:12206

約数の個数: 48

約数和(自身を含む): 195858432

約数和(自身を除く): 115957492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 12143, 24286, 48572, 60715, 85001, 121430, 170002, 242860, 340004, 425005, 570721, 850010, 1141442, 1700020, 2282884, 2853605, 3995047, 5707210, 7990094, 11414420, 15980188, 19975235, 39950470, 79900940]

約数ペア:

[(1, 79900940), (2, 39950470), (4, 19975235), (5, 15980188), (7, 11414420), (10, 7990094), (14, 5707210), (20, 3995047), (28, 2853605), (35, 2282884), (47, 1700020), (70, 1141442), (94, 850010), (140, 570721), (188, 425005), (235, 340004), (329, 242860), (470, 170002), (658, 121430), (940, 85001), (1316, 60715), (1645, 48572), (3290, 24286), (6580, 12143)]