84712720

素因数分解:

$2^4\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1861}}^1$

素因数の和:2443

約数の個数: 40

約数和(自身を含む): 197409240

約数和(自身を除く): 112696520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 569, 1138, 1861, 2276, 2845, 3722, 4552, 5690, 7444, 9104, 9305, 11380, 14888, 18610, 22760, 29776, 37220, 45520, 74440, 148880, 1058909, 2117818, 4235636, 5294545, 8471272, 10589090, 16942544, 21178180, 42356360, 84712720]

約数ペア:

[(1, 84712720), (2, 42356360), (4, 21178180), (5, 16942544), (8, 10589090), (10, 8471272), (16, 5294545), (20, 4235636), (40, 2117818), (80, 1058909), (569, 148880), (1138, 74440), (1861, 45520), (2276, 37220), (2845, 29776), (3722, 22760), (4552, 18610), (5690, 14888), (7444, 11380), (9104, 9305)]