17690240

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 42815520

約数和(自身を除く): 25125280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 211, 262, 320, 422, 524, 640, 655, 844, 1048, 1055, 1310, 1688, 2096, 2110, 2620, 3376, 4192, 4220, 5240, 6752, 8384, 8440, 10480, 13504, 16768, 16880, 20960, 27008, 27641, 33760, 41920, 55282, 67520, 83840, 110564, 135040, 138205, 221128, 276410, 442256, 552820, 884512, 1105640, 1769024, 2211280, 3538048, 4422560, 8845120, 17690240]

約数ペア:

[(1, 17690240), (2, 8845120), (4, 4422560), (5, 3538048), (8, 2211280), (10, 1769024), (16, 1105640), (20, 884512), (32, 552820), (40, 442256), (64, 276410), (80, 221128), (128, 138205), (131, 135040), (160, 110564), (211, 83840), (262, 67520), (320, 55282), (422, 41920), (524, 33760), (640, 27641), (655, 27008), (844, 20960), (1048, 16880), (1055, 16768), (1310, 13504), (1688, 10480), (2096, 8440), (2110, 8384), (2620, 6752), (3376, 5240), (4192, 4220)]