127951160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 299980800

約数和(自身を除く): 172029640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 410, 488, 610, 820, 1220, 1279, 1640, 2440, 2501, 2558, 5002, 5116, 6395, 10004, 10232, 12505, 12790, 20008, 25010, 25580, 50020, 51160, 52439, 78019, 100040, 104878, 156038, 209756, 262195, 312076, 390095, 419512, 524390, 624152, 780190, 1048780, 1560380, 2097560, 3120760, 3198779, 6397558, 12795116, 15993895, 25590232, 31987790, 63975580, 127951160]

約数ペア:

[(1, 127951160), (2, 63975580), (4, 31987790), (5, 25590232), (8, 15993895), (10, 12795116), (20, 6397558), (40, 3198779), (41, 3120760), (61, 2097560), (82, 1560380), (122, 1048780), (164, 780190), (205, 624152), (244, 524390), (305, 419512), (328, 390095), (410, 312076), (488, 262195), (610, 209756), (820, 156038), (1220, 104878), (1279, 100040), (1640, 78019), (2440, 52439), (2501, 51160), (2558, 50020), (5002, 25580), (5116, 25010), (6395, 20008), (10004, 12790), (10232, 12505)]