201550420

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{56299}}^1$

素因数の和:56487

約数の個数: 24

約数和(自身を含む): 425628000

約数和(自身を除く): 224077580

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 56299, 112598, 225196, 281495, 562990, 1125980, 10077521, 20155042, 40310084, 50387605, 100775210, 201550420]

約数ペア:

[(1, 201550420), (2, 100775210), (4, 50387605), (5, 40310084), (10, 20155042), (20, 10077521), (179, 1125980), (358, 562990), (716, 281495), (895, 225196), (1790, 112598), (3580, 56299)]