87143660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{359}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 187790400

約数和(自身を除く): 100646740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 229, 265, 359, 458, 530, 718, 916, 1060, 1145, 1436, 1795, 2290, 3590, 4580, 7180, 12137, 19027, 24274, 38054, 48548, 60685, 76108, 82211, 95135, 121370, 164422, 190270, 242740, 328844, 380540, 411055, 822110, 1644220, 4357183, 8714366, 17428732, 21785915, 43571830, 87143660]

約数ペア:

[(1, 87143660), (2, 43571830), (4, 21785915), (5, 17428732), (10, 8714366), (20, 4357183), (53, 1644220), (106, 822110), (212, 411055), (229, 380540), (265, 328844), (359, 242740), (458, 190270), (530, 164422), (718, 121370), (916, 95135), (1060, 82211), (1145, 76108), (1436, 60685), (1795, 48548), (2290, 38054), (3590, 24274), (4580, 19027), (7180, 12137)]