66822400

素因数分解:

$2^8\times 5^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 108

約数和(自身を含む): 169371972

約数和(自身を除く): 102549572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 128, 160, 197, 200, 212, 256, 265, 320, 394, 400, 424, 530, 640, 788, 800, 848, 985, 1060, 1280, 1325, 1576, 1600, 1696, 1970, 2120, 2650, 3152, 3200, 3392, 3940, 4240, 4925, 5300, 6304, 6400, 6784, 7880, 8480, 9850, 10441, 10600, 12608, 13568, 15760, 16960, 19700, 20882, 21200, 25216, 31520, 33920, 39400, 41764, 42400, 50432, 52205, 63040, 67840, 78800, 83528, 84800, 104410, 126080, 157600, 167056, 169600, 208820, 252160, 261025, 315200, 334112, 339200, 417640, 522050, 630400, 668224, 835280, 1044100, 1260800, 1336448, 1670560, 2088200, 2672896, 3341120, 4176400, 6682240, 8352800, 13364480, 16705600, 33411200, 66822400]

約数ペア:

[(1, 66822400), (2, 33411200), (4, 16705600), (5, 13364480), (8, 8352800), (10, 6682240), (16, 4176400), (20, 3341120), (25, 2672896), (32, 2088200), (40, 1670560), (50, 1336448), (53, 1260800), (64, 1044100), (80, 835280), (100, 668224), (106, 630400), (128, 522050), (160, 417640), (197, 339200), (200, 334112), (212, 315200), (256, 261025), (265, 252160), (320, 208820), (394, 169600), (400, 167056), (424, 157600), (530, 126080), (640, 104410), (788, 84800), (800, 83528), (848, 78800), (985, 67840), (1060, 63040), (1280, 52205), (1325, 50432), (1576, 42400), (1600, 41764), (1696, 39400), (1970, 33920), (2120, 31520), (2650, 25216), (3152, 21200), (3200, 20882), (3392, 19700), (3940, 16960), (4240, 15760), (4925, 13568), (5300, 12608), (6304, 10600), (6400, 10441), (6784, 9850), (7880, 8480)]