1640706470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{21283}}^1$

素因数の和:21896

約数の個数: 32

約数和(自身を含む): 3185959392

約数和(自身を除く): 1545252922

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 593, 1186, 2965, 5930, 7709, 15418, 21283, 38545, 42566, 77090, 106415, 212830, 276679, 553358, 1383395, 2766790, 12620819, 25241638, 63104095, 126208190, 164070647, 328141294, 820353235, 1640706470]

約数ペア:

[(1, 1640706470), (2, 820353235), (5, 328141294), (10, 164070647), (13, 126208190), (26, 63104095), (65, 25241638), (130, 12620819), (593, 2766790), (1186, 1383395), (2965, 553358), (5930, 276679), (7709, 212830), (15418, 106415), (21283, 77090), (38545, 42566)]