77025880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 180442080

約数和(自身を除く): 103416200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 67, 82, 134, 164, 205, 268, 328, 335, 410, 536, 670, 701, 820, 1340, 1402, 1640, 2680, 2747, 2804, 3505, 5494, 5608, 7010, 10988, 13735, 14020, 21976, 27470, 28040, 28741, 46967, 54940, 57482, 93934, 109880, 114964, 143705, 187868, 229928, 234835, 287410, 375736, 469670, 574820, 939340, 1149640, 1878680, 1925647, 3851294, 7702588, 9628235, 15405176, 19256470, 38512940, 77025880]

約数ペア:

[(1, 77025880), (2, 38512940), (4, 19256470), (5, 15405176), (8, 9628235), (10, 7702588), (20, 3851294), (40, 1925647), (41, 1878680), (67, 1149640), (82, 939340), (134, 574820), (164, 469670), (205, 375736), (268, 287410), (328, 234835), (335, 229928), (410, 187868), (536, 143705), (670, 114964), (701, 109880), (820, 93934), (1340, 57482), (1402, 54940), (1640, 46967), (2680, 28741), (2747, 28040), (2804, 27470), (3505, 21976), (5494, 14020), (5608, 13735), (7010, 10988)]