80568280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3779}}^1$

素因数の和:3844

約数の個数: 64

約数和(自身を含む): 200037600

約数和(自身を除く): 119469320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 3779, 4264, 5330, 7558, 10660, 15116, 18895, 21320, 30232, 37790, 49127, 75580, 98254, 151160, 154939, 196508, 245635, 309878, 393016, 491270, 619756, 774695, 982540, 1239512, 1549390, 1965080, 2014207, 3098780, 4028414, 6197560, 8056828, 10071035, 16113656, 20142070, 40284140, 80568280]

約数ペア:

[(1, 80568280), (2, 40284140), (4, 20142070), (5, 16113656), (8, 10071035), (10, 8056828), (13, 6197560), (20, 4028414), (26, 3098780), (40, 2014207), (41, 1965080), (52, 1549390), (65, 1239512), (82, 982540), (104, 774695), (130, 619756), (164, 491270), (205, 393016), (260, 309878), (328, 245635), (410, 196508), (520, 154939), (533, 151160), (820, 98254), (1066, 75580), (1640, 49127), (2132, 37790), (2665, 30232), (3779, 21320), (4264, 18895), (5330, 15116), (7558, 10660)]