71304560

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3389}}^1$

素因数の和:3665

約数の個数: 40

約数和(自身を含む): 166462560

約数和(自身を除く): 95158000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 3389, 4208, 5260, 6778, 10520, 13556, 16945, 21040, 27112, 33890, 54224, 67780, 135560, 271120, 891307, 1782614, 3565228, 4456535, 7130456, 8913070, 14260912, 17826140, 35652280, 71304560]

約数ペア:

[(1, 71304560), (2, 35652280), (4, 17826140), (5, 14260912), (8, 8913070), (10, 7130456), (16, 4456535), (20, 3565228), (40, 1782614), (80, 891307), (263, 271120), (526, 135560), (1052, 67780), (1315, 54224), (2104, 33890), (2630, 27112), (3389, 21040), (4208, 16945), (5260, 13556), (6778, 10520)]