77360440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1097}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 182619360

約数和(自身を除く): 105258920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1097, 1640, 1720, 1763, 2194, 3526, 4388, 5485, 7052, 8776, 8815, 10970, 14104, 17630, 21940, 35260, 43880, 44977, 47171, 70520, 89954, 94342, 179908, 188684, 224885, 235855, 359816, 377368, 449770, 471710, 899540, 943420, 1799080, 1886840, 1934011, 3868022, 7736044, 9670055, 15472088, 19340110, 38680220, 77360440]

約数ペア:

[(1, 77360440), (2, 38680220), (4, 19340110), (5, 15472088), (8, 9670055), (10, 7736044), (20, 3868022), (40, 1934011), (41, 1886840), (43, 1799080), (82, 943420), (86, 899540), (164, 471710), (172, 449770), (205, 377368), (215, 359816), (328, 235855), (344, 224885), (410, 188684), (430, 179908), (820, 94342), (860, 89954), (1097, 70520), (1640, 47171), (1720, 44977), (1763, 43880), (2194, 35260), (3526, 21940), (4388, 17630), (5485, 14104), (7052, 10970), (8776, 8815)]