4924400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:978

約数の個数: 60

約数和(自身を含む): 12754392

約数和(自身を除く): 7829992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 947, 1040, 1300, 1894, 2600, 3788, 4735, 5200, 7576, 9470, 12311, 15152, 18940, 23675, 24622, 37880, 47350, 49244, 61555, 75760, 94700, 98488, 123110, 189400, 196976, 246220, 307775, 378800, 492440, 615550, 984880, 1231100, 2462200, 4924400]

約数ペア:

[(1, 4924400), (2, 2462200), (4, 1231100), (5, 984880), (8, 615550), (10, 492440), (13, 378800), (16, 307775), (20, 246220), (25, 196976), (26, 189400), (40, 123110), (50, 98488), (52, 94700), (65, 75760), (80, 61555), (100, 49244), (104, 47350), (130, 37880), (200, 24622), (208, 23675), (260, 18940), (325, 15152), (400, 12311), (520, 9470), (650, 7576), (947, 5200), (1040, 4735), (1300, 3788), (1894, 2600)]