25177776

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 70766304

約数和(自身を除く): 45588528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 157, 208, 257, 312, 314, 471, 514, 624, 628, 771, 942, 1028, 1256, 1542, 1884, 2041, 2056, 2512, 3084, 3341, 3768, 4082, 4112, 6123, 6168, 6682, 7536, 8164, 10023, 12246, 12336, 13364, 16328, 20046, 24492, 26728, 32656, 40092, 40349, 48984, 53456, 80184, 80698, 97968, 121047, 160368, 161396, 242094, 322792, 484188, 524537, 645584, 968376, 1049074, 1573611, 1936752, 2098148, 3147222, 4196296, 6294444, 8392592, 12588888, 25177776]

約数ペア:

[(1, 25177776), (2, 12588888), (3, 8392592), (4, 6294444), (6, 4196296), (8, 3147222), (12, 2098148), (13, 1936752), (16, 1573611), (24, 1049074), (26, 968376), (39, 645584), (48, 524537), (52, 484188), (78, 322792), (104, 242094), (156, 161396), (157, 160368), (208, 121047), (257, 97968), (312, 80698), (314, 80184), (471, 53456), (514, 48984), (624, 40349), (628, 40092), (771, 32656), (942, 26728), (1028, 24492), (1256, 20046), (1542, 16328), (1884, 13364), (2041, 12336), (2056, 12246), (2512, 10023), (3084, 8164), (3341, 7536), (3768, 6682), (4082, 6168), (4112, 6123)]