65764340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 141523200

約数和(自身を除く): 75758860

約数列:

[1, 2, 4, 5, 10, 20, 79, 107, 158, 214, 316, 389, 395, 428, 535, 778, 790, 1070, 1556, 1580, 1945, 2140, 3890, 7780, 8453, 16906, 30731, 33812, 41623, 42265, 61462, 83246, 84530, 122924, 153655, 166492, 169060, 208115, 307310, 416230, 614620, 832460, 3288217, 6576434, 13152868, 16441085, 32882170, 65764340]

約数ペア:

[(1, 65764340), (2, 32882170), (4, 16441085), (5, 13152868), (10, 6576434), (20, 3288217), (79, 832460), (107, 614620), (158, 416230), (214, 307310), (316, 208115), (389, 169060), (395, 166492), (428, 153655), (535, 122924), (778, 84530), (790, 83246), (1070, 61462), (1556, 42265), (1580, 41623), (1945, 33812), (2140, 30731), (3890, 16906), (7780, 8453)]