49868979520

素因数分解:

$2^6\times 5^1\times {\mathrm{641}}^1\times {\mathrm{243121}}^1$

素因数の和:243779

約数の個数: 56

約数和(自身を含む): 118936254888

約数和(自身を除く): 69067275368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 641, 1282, 2564, 3205, 5128, 6410, 10256, 12820, 20512, 25640, 41024, 51280, 102560, 205120, 243121, 486242, 972484, 1215605, 1944968, 2431210, 3889936, 4862420, 7779872, 9724840, 15559744, 19449680, 38899360, 77798720, 155840561, 311681122, 623362244, 779202805, 1246724488, 1558405610, 2493448976, 3116811220, 4986897952, 6233622440, 9973795904, 12467244880, 24934489760, 49868979520]

約数ペア:

[(1, 49868979520), (2, 24934489760), (4, 12467244880), (5, 9973795904), (8, 6233622440), (10, 4986897952), (16, 3116811220), (20, 2493448976), (32, 1558405610), (40, 1246724488), (64, 779202805), (80, 623362244), (160, 311681122), (320, 155840561), (641, 77798720), (1282, 38899360), (2564, 19449680), (3205, 15559744), (5128, 9724840), (6410, 7779872), (10256, 4862420), (12820, 3889936), (20512, 2431210), (25640, 1944968), (41024, 1215605), (51280, 972484), (102560, 486242), (205120, 243121)]