531289960

素因数分解:

$2^3\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{8317}}^1$

素因数の和:9925

約数の個数: 32

約数和(自身を含む): 1196294760

約数和(自身を除く): 665004800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1597, 3194, 6388, 7985, 8317, 12776, 15970, 16634, 31940, 33268, 41585, 63880, 66536, 83170, 166340, 332680, 13282249, 26564498, 53128996, 66411245, 106257992, 132822490, 265644980, 531289960]

約数ペア:

[(1, 531289960), (2, 265644980), (4, 132822490), (5, 106257992), (8, 66411245), (10, 53128996), (20, 26564498), (40, 13282249), (1597, 332680), (3194, 166340), (6388, 83170), (7985, 66536), (8317, 63880), (12776, 41585), (15970, 33268), (16634, 31940)]