28882880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 112

約数和(自身を含む): 76041504

約数和(自身を除く): 47158624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 130, 131, 160, 208, 212, 260, 262, 265, 320, 416, 424, 520, 524, 530, 655, 689, 832, 848, 1040, 1048, 1060, 1310, 1378, 1696, 1703, 2080, 2096, 2120, 2620, 2756, 3392, 3406, 3445, 4160, 4192, 4240, 5240, 5512, 6812, 6890, 6943, 8384, 8480, 8515, 10480, 11024, 13624, 13780, 13886, 16960, 17030, 20960, 22048, 27248, 27560, 27772, 34060, 34715, 41920, 44096, 54496, 55120, 55544, 68120, 69430, 90259, 108992, 110240, 111088, 136240, 138860, 180518, 220480, 222176, 272480, 277720, 361036, 444352, 451295, 544960, 555440, 722072, 902590, 1110880, 1444144, 1805180, 2221760, 2888288, 3610360, 5776576, 7220720, 14441440, 28882880]

約数ペア:

[(1, 28882880), (2, 14441440), (4, 7220720), (5, 5776576), (8, 3610360), (10, 2888288), (13, 2221760), (16, 1805180), (20, 1444144), (26, 1110880), (32, 902590), (40, 722072), (52, 555440), (53, 544960), (64, 451295), (65, 444352), (80, 361036), (104, 277720), (106, 272480), (130, 222176), (131, 220480), (160, 180518), (208, 138860), (212, 136240), (260, 111088), (262, 110240), (265, 108992), (320, 90259), (416, 69430), (424, 68120), (520, 55544), (524, 55120), (530, 54496), (655, 44096), (689, 41920), (832, 34715), (848, 34060), (1040, 27772), (1048, 27560), (1060, 27248), (1310, 22048), (1378, 20960), (1696, 17030), (1703, 16960), (2080, 13886), (2096, 13780), (2120, 13624), (2620, 11024), (2756, 10480), (3392, 8515), (3406, 8480), (3445, 8384), (4160, 6943), (4192, 6890), (4240, 6812), (5240, 5512)]