28752400

素因数分解:

$2^4\times 5^2\times {\mathrm{71881}}^1$

素因数の和:71899

約数の個数: 30

約数和(自身を含む): 69078602

約数和(自身を除く): 40326202

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71881, 143762, 287524, 359405, 575048, 718810, 1150096, 1437620, 1797025, 2875240, 3594050, 5750480, 7188100, 14376200, 28752400]

約数ペア:

[(1, 28752400), (2, 14376200), (4, 7188100), (5, 5750480), (8, 3594050), (10, 2875240), (16, 1797025), (20, 1437620), (25, 1150096), (40, 718810), (50, 575048), (80, 359405), (100, 287524), (200, 143762), (400, 71881)]