13183280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 34069248

約数和(自身を除く): 20885968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 211, 220, 284, 355, 422, 440, 568, 710, 781, 844, 880, 1055, 1136, 1420, 1562, 1688, 2110, 2321, 2840, 3124, 3376, 3905, 4220, 4642, 5680, 6248, 7810, 8440, 9284, 11605, 12496, 14981, 15620, 16880, 18568, 23210, 29962, 31240, 37136, 46420, 59924, 62480, 74905, 92840, 119848, 149810, 164791, 185680, 239696, 299620, 329582, 599240, 659164, 823955, 1198480, 1318328, 1647910, 2636656, 3295820, 6591640, 13183280]

約数ペア:

[(1, 13183280), (2, 6591640), (4, 3295820), (5, 2636656), (8, 1647910), (10, 1318328), (11, 1198480), (16, 823955), (20, 659164), (22, 599240), (40, 329582), (44, 299620), (55, 239696), (71, 185680), (80, 164791), (88, 149810), (110, 119848), (142, 92840), (176, 74905), (211, 62480), (220, 59924), (284, 46420), (355, 37136), (422, 31240), (440, 29962), (568, 23210), (710, 18568), (781, 16880), (844, 15620), (880, 14981), (1055, 12496), (1136, 11605), (1420, 9284), (1562, 8440), (1688, 7810), (2110, 6248), (2321, 5680), (2840, 4642), (3124, 4220), (3376, 3905)]