203789680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{62131}}^1$

素因数の和:62185

約数の個数: 40

約数和(自身を含む): 485375184

約数和(自身を除く): 281585504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 62131, 124262, 248524, 310655, 497048, 621310, 994096, 1242620, 2485240, 2547371, 4970480, 5094742, 10189484, 12736855, 20378968, 25473710, 40757936, 50947420, 101894840, 203789680]

約数ペア:

[(1, 203789680), (2, 101894840), (4, 50947420), (5, 40757936), (8, 25473710), (10, 20378968), (16, 12736855), (20, 10189484), (40, 5094742), (41, 4970480), (80, 2547371), (82, 2485240), (164, 1242620), (205, 994096), (328, 621310), (410, 497048), (656, 310655), (820, 248524), (1640, 124262), (3280, 62131)]