51387260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{421}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 114851520

約数和(自身を除く): 63464260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 359, 421, 718, 842, 1436, 1684, 1795, 2105, 3590, 4210, 6103, 7157, 7180, 8420, 12206, 14314, 24412, 28628, 30515, 35785, 61030, 71570, 122060, 143140, 151139, 302278, 604556, 755695, 1511390, 2569363, 3022780, 5138726, 10277452, 12846815, 25693630, 51387260]

約数ペア:

[(1, 51387260), (2, 25693630), (4, 12846815), (5, 10277452), (10, 5138726), (17, 3022780), (20, 2569363), (34, 1511390), (68, 755695), (85, 604556), (170, 302278), (340, 151139), (359, 143140), (421, 122060), (718, 71570), (842, 61030), (1436, 35785), (1684, 30515), (1795, 28628), (2105, 24412), (3590, 14314), (4210, 12206), (6103, 8420), (7157, 7180)]