91405960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2797}}^1$

素因数の和:2870

約数の個数: 64

約数和(自身を含む): 221601600

約数和(自身を除く): 130195640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 2797, 3268, 4085, 5594, 6536, 8170, 11188, 13985, 16340, 22376, 27970, 32680, 53143, 55940, 106286, 111880, 120271, 212572, 240542, 265715, 425144, 481084, 531430, 601355, 962168, 1062860, 1202710, 2125720, 2285149, 2405420, 4570298, 4810840, 9140596, 11425745, 18281192, 22851490, 45702980, 91405960]

約数ペア:

[(1, 91405960), (2, 45702980), (4, 22851490), (5, 18281192), (8, 11425745), (10, 9140596), (19, 4810840), (20, 4570298), (38, 2405420), (40, 2285149), (43, 2125720), (76, 1202710), (86, 1062860), (95, 962168), (152, 601355), (172, 531430), (190, 481084), (215, 425144), (344, 265715), (380, 240542), (430, 212572), (760, 120271), (817, 111880), (860, 106286), (1634, 55940), (1720, 53143), (2797, 32680), (3268, 27970), (4085, 22376), (5594, 16340), (6536, 13985), (8170, 11188)]