259195520

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2341}}^1$

素因数の和:2533

約数の個数: 64

約数和(自身を含む): 623487240

約数和(自身を除く): 364291720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 640, 692, 865, 1384, 1730, 2341, 2768, 3460, 4682, 5536, 6920, 9364, 11072, 11705, 13840, 18728, 22144, 23410, 27680, 37456, 46820, 55360, 74912, 93640, 110720, 149824, 187280, 299648, 374560, 404993, 749120, 809986, 1498240, 1619972, 2024965, 3239944, 4049930, 6479888, 8099860, 12959776, 16199720, 25919552, 32399440, 51839104, 64798880, 129597760, 259195520]

約数ペア:

[(1, 259195520), (2, 129597760), (4, 64798880), (5, 51839104), (8, 32399440), (10, 25919552), (16, 16199720), (20, 12959776), (32, 8099860), (40, 6479888), (64, 4049930), (80, 3239944), (128, 2024965), (160, 1619972), (173, 1498240), (320, 809986), (346, 749120), (640, 404993), (692, 374560), (865, 299648), (1384, 187280), (1730, 149824), (2341, 110720), (2768, 93640), (3460, 74912), (4682, 55360), (5536, 46820), (6920, 37456), (9364, 27680), (11072, 23410), (11705, 22144), (13840, 18728)]