91030000

素因数分解:

$2^4\times 5^4\times {\mathrm{9103}}^1$

素因数の和:9131

約数の個数: 50

約数和(自身を含む): 220416944

約数和(自身を除く): 129386944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 9103, 10000, 18206, 36412, 45515, 72824, 91030, 145648, 182060, 227575, 364120, 455150, 728240, 910300, 1137875, 1820600, 2275750, 3641200, 4551500, 5689375, 9103000, 11378750, 18206000, 22757500, 45515000, 91030000]

約数ペア:

[(1, 91030000), (2, 45515000), (4, 22757500), (5, 18206000), (8, 11378750), (10, 9103000), (16, 5689375), (20, 4551500), (25, 3641200), (40, 2275750), (50, 1820600), (80, 1137875), (100, 910300), (125, 728240), (200, 455150), (250, 364120), (400, 227575), (500, 182060), (625, 145648), (1000, 91030), (1250, 72824), (2000, 45515), (2500, 36412), (5000, 18206), (9103, 10000)]