821569240

素因数分解:

$2^3\times 5^1\times {\mathrm{3037}}^1\times {\mathrm{6763}}^1$

素因数の和:9811

約数の個数: 32

約数和(自身を含む): 1849412880

約数和(自身を除く): 1027843640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3037, 6074, 6763, 12148, 13526, 15185, 24296, 27052, 30370, 33815, 54104, 60740, 67630, 121480, 135260, 270520, 20539231, 41078462, 82156924, 102696155, 164313848, 205392310, 410784620, 821569240]

約数ペア:

[(1, 821569240), (2, 410784620), (4, 205392310), (5, 164313848), (8, 102696155), (10, 82156924), (20, 41078462), (40, 20539231), (3037, 270520), (6074, 135260), (6763, 121480), (12148, 67630), (13526, 60740), (15185, 54104), (24296, 33815), (27052, 30370)]