65982820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1951}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 147571200

約数和(自身を除く): 81588380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 1951, 3382, 3902, 6764, 7804, 8455, 9755, 16910, 19510, 33820, 37069, 39020, 74138, 148276, 173639, 185345, 347278, 370690, 694556, 741380, 868195, 1736390, 3299141, 3472780, 6598282, 13196564, 16495705, 32991410, 65982820]

約数ペア:

[(1, 65982820), (2, 32991410), (4, 16495705), (5, 13196564), (10, 6598282), (19, 3472780), (20, 3299141), (38, 1736390), (76, 868195), (89, 741380), (95, 694556), (178, 370690), (190, 347278), (356, 185345), (380, 173639), (445, 148276), (890, 74138), (1691, 39020), (1780, 37069), (1951, 33820), (3382, 19510), (3902, 16910), (6764, 9755), (7804, 8455)]