51104800

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:650

約数の個数: 72

約数和(自身を含む): 125991936

約数和(自身を除く): 74887136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 503, 508, 635, 800, 1006, 1016, 1270, 2012, 2032, 2515, 2540, 3175, 4024, 4064, 5030, 5080, 6350, 8048, 10060, 10160, 12575, 12700, 16096, 20120, 20320, 25150, 25400, 40240, 50300, 50800, 63881, 80480, 100600, 101600, 127762, 201200, 255524, 319405, 402400, 511048, 638810, 1022096, 1277620, 1597025, 2044192, 2555240, 3194050, 5110480, 6388100, 10220960, 12776200, 25552400, 51104800]

約数ペア:

[(1, 51104800), (2, 25552400), (4, 12776200), (5, 10220960), (8, 6388100), (10, 5110480), (16, 3194050), (20, 2555240), (25, 2044192), (32, 1597025), (40, 1277620), (50, 1022096), (80, 638810), (100, 511048), (127, 402400), (160, 319405), (200, 255524), (254, 201200), (400, 127762), (503, 101600), (508, 100600), (635, 80480), (800, 63881), (1006, 50800), (1016, 50300), (1270, 40240), (2012, 25400), (2032, 25150), (2515, 20320), (2540, 20120), (3175, 16096), (4024, 12700), (4064, 12575), (5030, 10160), (5080, 10060), (6350, 8048)]