254050240

素因数分解:

$2^6\times 5^1\times {\mathrm{821}}^1\times {\mathrm{967}}^1$

素因数の和:1805

約数の個数: 56

約数和(自身を含む): 606320352

約数和(自身を除く): 352270112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 821, 967, 1642, 1934, 3284, 3868, 4105, 4835, 6568, 7736, 8210, 9670, 13136, 15472, 16420, 19340, 26272, 30944, 32840, 38680, 52544, 61888, 65680, 77360, 131360, 154720, 262720, 309440, 793907, 1587814, 3175628, 3969535, 6351256, 7939070, 12702512, 15878140, 25405024, 31756280, 50810048, 63512560, 127025120, 254050240]

約数ペア:

[(1, 254050240), (2, 127025120), (4, 63512560), (5, 50810048), (8, 31756280), (10, 25405024), (16, 15878140), (20, 12702512), (32, 7939070), (40, 6351256), (64, 3969535), (80, 3175628), (160, 1587814), (320, 793907), (821, 309440), (967, 262720), (1642, 154720), (1934, 131360), (3284, 77360), (3868, 65680), (4105, 61888), (4835, 52544), (6568, 38680), (7736, 32840), (8210, 30944), (9670, 26272), (13136, 19340), (15472, 16420)]