260629072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20857}}^1$

素因数の和:20947

約数の個数: 40

約数和(自身を含む): 558660672

約数和(自身を除く): 298031600

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 12496, 20857, 41714, 83428, 166856, 229427, 333712, 458854, 917708, 1480847, 1835416, 2961694, 3670832, 5923388, 11846776, 16289317, 23693552, 32578634, 65157268, 130314536, 260629072]

約数ペア:

[(1, 260629072), (2, 130314536), (4, 65157268), (8, 32578634), (11, 23693552), (16, 16289317), (22, 11846776), (44, 5923388), (71, 3670832), (88, 2961694), (142, 1835416), (176, 1480847), (284, 917708), (568, 458854), (781, 333712), (1136, 229427), (1562, 166856), (3124, 83428), (6248, 41714), (12496, 20857)]