25278880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 96

約数和(自身を含む): 66624768

約数和(自身を除く): 41345888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 80, 88, 106, 110, 160, 176, 212, 220, 265, 271, 352, 424, 440, 530, 542, 583, 848, 880, 1060, 1084, 1166, 1355, 1696, 1760, 2120, 2168, 2332, 2710, 2915, 2981, 4240, 4336, 4664, 5420, 5830, 5962, 8480, 8672, 9328, 10840, 11660, 11924, 14363, 14905, 18656, 21680, 23320, 23848, 28726, 29810, 43360, 46640, 47696, 57452, 59620, 71815, 93280, 95392, 114904, 119240, 143630, 157993, 229808, 238480, 287260, 315986, 459616, 476960, 574520, 631972, 789965, 1149040, 1263944, 1579930, 2298080, 2527888, 3159860, 5055776, 6319720, 12639440, 25278880]

約数ペア:

[(1, 25278880), (2, 12639440), (4, 6319720), (5, 5055776), (8, 3159860), (10, 2527888), (11, 2298080), (16, 1579930), (20, 1263944), (22, 1149040), (32, 789965), (40, 631972), (44, 574520), (53, 476960), (55, 459616), (80, 315986), (88, 287260), (106, 238480), (110, 229808), (160, 157993), (176, 143630), (212, 119240), (220, 114904), (265, 95392), (271, 93280), (352, 71815), (424, 59620), (440, 57452), (530, 47696), (542, 46640), (583, 43360), (848, 29810), (880, 28726), (1060, 23848), (1084, 23320), (1166, 21680), (1355, 18656), (1696, 14905), (1760, 14363), (2120, 11924), (2168, 11660), (2332, 10840), (2710, 9328), (2915, 8672), (2981, 8480), (4240, 5962), (4336, 5830), (4664, 5420)]