74916400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{14407}}^1$

素因数の和:14438

約数の個数: 60

約数和(自身を含む): 193845232

約数和(自身を除く): 118928832

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, 1040, 1300, 2600, 5200, 14407, 28814, 57628, 72035, 115256, 144070, 187291, 230512, 288140, 360175, 374582, 576280, 720350, 749164, 936455, 1152560, 1440700, 1498328, 1872910, 2881400, 2996656, 3745820, 4682275, 5762800, 7491640, 9364550, 14983280, 18729100, 37458200, 74916400]

約数ペア:

[(1, 74916400), (2, 37458200), (4, 18729100), (5, 14983280), (8, 9364550), (10, 7491640), (13, 5762800), (16, 4682275), (20, 3745820), (25, 2996656), (26, 2881400), (40, 1872910), (50, 1498328), (52, 1440700), (65, 1152560), (80, 936455), (100, 749164), (104, 720350), (130, 576280), (200, 374582), (208, 360175), (260, 288140), (325, 230512), (400, 187291), (520, 144070), (650, 115256), (1040, 72035), (1300, 57628), (2600, 28814), (5200, 14407)]