27005840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 67108800

約数和(自身を除く): 40102960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 163, 190, 218, 304, 326, 380, 436, 545, 652, 760, 815, 872, 1090, 1304, 1520, 1630, 1744, 2071, 2180, 2608, 3097, 3260, 4142, 4360, 6194, 6520, 8284, 8720, 10355, 12388, 13040, 15485, 16568, 17767, 20710, 24776, 30970, 33136, 35534, 41420, 49552, 61940, 71068, 82840, 88835, 123880, 142136, 165680, 177670, 247760, 284272, 337573, 355340, 675146, 710680, 1350292, 1421360, 1687865, 2700584, 3375730, 5401168, 6751460, 13502920, 27005840]

約数ペア:

[(1, 27005840), (2, 13502920), (4, 6751460), (5, 5401168), (8, 3375730), (10, 2700584), (16, 1687865), (19, 1421360), (20, 1350292), (38, 710680), (40, 675146), (76, 355340), (80, 337573), (95, 284272), (109, 247760), (152, 177670), (163, 165680), (190, 142136), (218, 123880), (304, 88835), (326, 82840), (380, 71068), (436, 61940), (545, 49552), (652, 41420), (760, 35534), (815, 33136), (872, 30970), (1090, 24776), (1304, 20710), (1520, 17767), (1630, 16568), (1744, 15485), (2071, 13040), (2180, 12388), (2608, 10355), (3097, 8720), (3260, 8284), (4142, 6520), (4360, 6194)]