25043920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 64281600

約数和(自身を除く): 39237680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 191, 220, 298, 382, 440, 596, 745, 764, 880, 955, 1192, 1490, 1528, 1639, 1910, 2101, 2384, 2980, 3056, 3278, 3820, 4202, 5960, 6556, 7640, 8195, 8404, 10505, 11920, 13112, 15280, 16390, 16808, 21010, 26224, 28459, 32780, 33616, 42020, 56918, 65560, 84040, 113836, 131120, 142295, 168080, 227672, 284590, 313049, 455344, 569180, 626098, 1138360, 1252196, 1565245, 2276720, 2504392, 3130490, 5008784, 6260980, 12521960, 25043920]

約数ペア:

[(1, 25043920), (2, 12521960), (4, 6260980), (5, 5008784), (8, 3130490), (10, 2504392), (11, 2276720), (16, 1565245), (20, 1252196), (22, 1138360), (40, 626098), (44, 569180), (55, 455344), (80, 313049), (88, 284590), (110, 227672), (149, 168080), (176, 142295), (191, 131120), (220, 113836), (298, 84040), (382, 65560), (440, 56918), (596, 42020), (745, 33616), (764, 32780), (880, 28459), (955, 26224), (1192, 21010), (1490, 16808), (1528, 16390), (1639, 15280), (1910, 13112), (2101, 11920), (2384, 10505), (2980, 8404), (3056, 8195), (3278, 7640), (3820, 6556), (4202, 5960)]