56675840

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 120

約数和(自身を含む): 148269528

約数和(自身を除く): 91593688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 131, 160, 169, 208, 256, 260, 262, 320, 338, 416, 512, 520, 524, 640, 655, 676, 832, 845, 1040, 1048, 1280, 1310, 1352, 1664, 1690, 1703, 2080, 2096, 2560, 2620, 2704, 3328, 3380, 3406, 4160, 4192, 5240, 5408, 6656, 6760, 6812, 8320, 8384, 8515, 10480, 10816, 13520, 13624, 16640, 16768, 17030, 20960, 21632, 22139, 27040, 27248, 33280, 33536, 34060, 41920, 43264, 44278, 54080, 54496, 67072, 68120, 83840, 86528, 88556, 108160, 108992, 110695, 136240, 167680, 177112, 216320, 217984, 221390, 272480, 335360, 354224, 432640, 435968, 442780, 544960, 708448, 871936, 885560, 1089920, 1416896, 1771120, 2179840, 2833792, 3542240, 4359680, 5667584, 7084480, 11335168, 14168960, 28337920, 56675840]

約数ペア:

[(1, 56675840), (2, 28337920), (4, 14168960), (5, 11335168), (8, 7084480), (10, 5667584), (13, 4359680), (16, 3542240), (20, 2833792), (26, 2179840), (32, 1771120), (40, 1416896), (52, 1089920), (64, 885560), (65, 871936), (80, 708448), (104, 544960), (128, 442780), (130, 435968), (131, 432640), (160, 354224), (169, 335360), (208, 272480), (256, 221390), (260, 217984), (262, 216320), (320, 177112), (338, 167680), (416, 136240), (512, 110695), (520, 108992), (524, 108160), (640, 88556), (655, 86528), (676, 83840), (832, 68120), (845, 67072), (1040, 54496), (1048, 54080), (1280, 44278), (1310, 43264), (1352, 41920), (1664, 34060), (1690, 33536), (1703, 33280), (2080, 27248), (2096, 27040), (2560, 22139), (2620, 21632), (2704, 20960), (3328, 17030), (3380, 16768), (3406, 16640), (4160, 13624), (4192, 13520), (5240, 10816), (5408, 10480), (6656, 8515), (6760, 8384), (6812, 8320)]