77864800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7487}}^1$

素因数の和:7520

約数の個数: 72

約数和(自身を含む): 204736896

約数和(自身を除く): 126872096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 7487, 10400, 14974, 29948, 37435, 59896, 74870, 97331, 119792, 149740, 187175, 194662, 239584, 299480, 374350, 389324, 486655, 598960, 748700, 778648, 973310, 1197920, 1497400, 1557296, 1946620, 2433275, 2994800, 3114592, 3893240, 4866550, 5989600, 7786480, 9733100, 15572960, 19466200, 38932400, 77864800]

約数ペア:

[(1, 77864800), (2, 38932400), (4, 19466200), (5, 15572960), (8, 9733100), (10, 7786480), (13, 5989600), (16, 4866550), (20, 3893240), (25, 3114592), (26, 2994800), (32, 2433275), (40, 1946620), (50, 1557296), (52, 1497400), (65, 1197920), (80, 973310), (100, 778648), (104, 748700), (130, 598960), (160, 486655), (200, 389324), (208, 374350), (260, 299480), (325, 239584), (400, 194662), (416, 187175), (520, 149740), (650, 119792), (800, 97331), (1040, 74870), (1300, 59896), (2080, 37435), (2600, 29948), (5200, 14974), (7487, 10400)]