49812800

素因数分解:

$2^6\times 5^2\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:376

約数の個数: 84

約数和(自身を含む): 123968256

約数和(自身を除く): 74155456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 163, 191, 200, 320, 326, 382, 400, 652, 764, 800, 815, 955, 1304, 1528, 1600, 1630, 1910, 2608, 3056, 3260, 3820, 4075, 4775, 5216, 6112, 6520, 7640, 8150, 9550, 10432, 12224, 13040, 15280, 16300, 19100, 26080, 30560, 31133, 32600, 38200, 52160, 61120, 62266, 65200, 76400, 124532, 130400, 152800, 155665, 249064, 260800, 305600, 311330, 498128, 622660, 778325, 996256, 1245320, 1556650, 1992512, 2490640, 3113300, 4981280, 6226600, 9962560, 12453200, 24906400, 49812800]

約数ペア:

[(1, 49812800), (2, 24906400), (4, 12453200), (5, 9962560), (8, 6226600), (10, 4981280), (16, 3113300), (20, 2490640), (25, 1992512), (32, 1556650), (40, 1245320), (50, 996256), (64, 778325), (80, 622660), (100, 498128), (160, 311330), (163, 305600), (191, 260800), (200, 249064), (320, 155665), (326, 152800), (382, 130400), (400, 124532), (652, 76400), (764, 65200), (800, 62266), (815, 61120), (955, 52160), (1304, 38200), (1528, 32600), (1600, 31133), (1630, 30560), (1910, 26080), (2608, 19100), (3056, 16300), (3260, 15280), (3820, 13040), (4075, 12224), (4775, 10432), (5216, 9550), (6112, 8150), (6520, 7640)]