12639440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 32783616

約数和(自身を除く): 20144176

約数列:

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

約数ペア:

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