2564496400

素因数分解:

$2^4\times 5^2\times {\mathrm{6411241}}^1$

素因数の和:6411259

約数の個数: 30

約数和(自身を含む): 6161203562

約数和(自身を除く): 3596707162

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6411241, 12822482, 25644964, 32056205, 51289928, 64112410, 102579856, 128224820, 160281025, 256449640, 320562050, 512899280, 641124100, 1282248200, 2564496400]

約数ペア:

[(1, 2564496400), (2, 1282248200), (4, 641124100), (5, 512899280), (8, 320562050), (10, 256449640), (16, 160281025), (20, 128224820), (25, 102579856), (40, 64112410), (50, 51289928), (80, 32056205), (100, 25644964), (200, 12822482), (400, 6411241)]