80265220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1597}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 193294080

約数和(自身を除く): 113028860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 718, 1436, 1597, 1795, 2513, 3194, 3590, 5026, 6388, 7180, 7985, 10052, 11179, 12565, 15970, 22358, 25130, 31940, 44716, 50260, 55895, 111790, 223580, 573323, 1146646, 2293292, 2866615, 4013261, 5733230, 8026522, 11466460, 16053044, 20066305, 40132610, 80265220]

約数ペア:

[(1, 80265220), (2, 40132610), (4, 20066305), (5, 16053044), (7, 11466460), (10, 8026522), (14, 5733230), (20, 4013261), (28, 2866615), (35, 2293292), (70, 1146646), (140, 573323), (359, 223580), (718, 111790), (1436, 55895), (1597, 50260), (1795, 44716), (2513, 31940), (3194, 25130), (3590, 22358), (5026, 15970), (6388, 12565), (7180, 11179), (7985, 10052)]