39842860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 85800960

約数和(自身を除く): 45958100

約数列:

[1, 2, 4, 5, 10, 20, 79, 151, 158, 167, 302, 316, 334, 395, 604, 668, 755, 790, 835, 1510, 1580, 1670, 3020, 3340, 11929, 13193, 23858, 25217, 26386, 47716, 50434, 52772, 59645, 65965, 100868, 119290, 126085, 131930, 238580, 252170, 263860, 504340, 1992143, 3984286, 7968572, 9960715, 19921430, 39842860]

約数ペア:

[(1, 39842860), (2, 19921430), (4, 9960715), (5, 7968572), (10, 3984286), (20, 1992143), (79, 504340), (151, 263860), (158, 252170), (167, 238580), (302, 131930), (316, 126085), (334, 119290), (395, 100868), (604, 65965), (668, 59645), (755, 52772), (790, 50434), (835, 47716), (1510, 26386), (1580, 25217), (1670, 23858), (3020, 13193), (3340, 11929)]