129642400

素因数分解:

$2^5\times 5^2\times {\mathrm{162053}}^1$

素因数の和:162073

約数の個数: 36

約数和(自身を含む): 316491462

約数和(自身を除く): 186849062

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 162053, 324106, 648212, 810265, 1296424, 1620530, 2592848, 3241060, 4051325, 5185696, 6482120, 8102650, 12964240, 16205300, 25928480, 32410600, 64821200, 129642400]

約数ペア:

[(1, 129642400), (2, 64821200), (4, 32410600), (5, 25928480), (8, 16205300), (10, 12964240), (16, 8102650), (20, 6482120), (25, 5185696), (32, 4051325), (40, 3241060), (50, 2592848), (80, 1620530), (100, 1296424), (160, 810265), (200, 648212), (400, 324106), (800, 162053)]