42400

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1$

素因数の和:73

約数の個数: 36

約数和(自身を含む): 105462

約数和(自身を除く): 63062

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 530, 800, 848, 1060, 1325, 1696, 2120, 2650, 4240, 5300, 8480, 10600, 21200, 42400]

約数ペア:

[(1, 42400), (2, 21200), (4, 10600), (5, 8480), (8, 5300), (10, 4240), (16, 2650), (20, 2120), (25, 1696), (32, 1325), (40, 1060), (50, 848), (53, 800), (80, 530), (100, 424), (106, 400), (160, 265), (200, 212)]