78841480

素因数分解:

$2^3\times 5^1\times {\mathrm{733}}^1\times {\mathrm{2689}}^1$

素因数の和:3433

約数の個数: 32

約数和(自身を含む): 177701400

約数和(自身を除く): 98859920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 733, 1466, 2689, 2932, 3665, 5378, 5864, 7330, 10756, 13445, 14660, 21512, 26890, 29320, 53780, 107560, 1971037, 3942074, 7884148, 9855185, 15768296, 19710370, 39420740, 78841480]

約数ペア:

[(1, 78841480), (2, 39420740), (4, 19710370), (5, 15768296), (8, 9855185), (10, 7884148), (20, 3942074), (40, 1971037), (733, 107560), (1466, 53780), (2689, 29320), (2932, 26890), (3665, 21512), (5378, 14660), (5864, 13445), (7330, 10756)]