4086400

素因数分解:

$2^7\times 5^2\times {\mathrm{1277}}^1$

素因数の和:1301

約数の個数: 48

約数和(自身を含む): 10102590

約数和(自身を除く): 6016190

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1277, 1600, 2554, 3200, 5108, 6385, 10216, 12770, 20432, 25540, 31925, 40864, 51080, 63850, 81728, 102160, 127700, 163456, 204320, 255400, 408640, 510800, 817280, 1021600, 2043200, 4086400]

約数ペア:

[(1, 4086400), (2, 2043200), (4, 1021600), (5, 817280), (8, 510800), (10, 408640), (16, 255400), (20, 204320), (25, 163456), (32, 127700), (40, 102160), (50, 81728), (64, 63850), (80, 51080), (100, 40864), (128, 31925), (160, 25540), (200, 20432), (320, 12770), (400, 10216), (640, 6385), (800, 5108), (1277, 3200), (1600, 2554)]