7901920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 20956320

約数和(自身を除く): 13054400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 80, 104, 116, 130, 131, 145, 160, 208, 232, 260, 262, 290, 377, 416, 464, 520, 524, 580, 655, 754, 928, 1040, 1048, 1160, 1310, 1508, 1703, 1885, 2080, 2096, 2320, 2620, 3016, 3406, 3770, 3799, 4192, 4640, 5240, 6032, 6812, 7540, 7598, 8515, 10480, 12064, 13624, 15080, 15196, 17030, 18995, 20960, 27248, 30160, 30392, 34060, 37990, 49387, 54496, 60320, 60784, 68120, 75980, 98774, 121568, 136240, 151960, 197548, 246935, 272480, 303920, 395096, 493870, 607840, 790192, 987740, 1580384, 1975480, 3950960, 7901920]

約数ペア:

[(1, 7901920), (2, 3950960), (4, 1975480), (5, 1580384), (8, 987740), (10, 790192), (13, 607840), (16, 493870), (20, 395096), (26, 303920), (29, 272480), (32, 246935), (40, 197548), (52, 151960), (58, 136240), (65, 121568), (80, 98774), (104, 75980), (116, 68120), (130, 60784), (131, 60320), (145, 54496), (160, 49387), (208, 37990), (232, 34060), (260, 30392), (262, 30160), (290, 27248), (377, 20960), (416, 18995), (464, 17030), (520, 15196), (524, 15080), (580, 13624), (655, 12064), (754, 10480), (928, 8515), (1040, 7598), (1048, 7540), (1160, 6812), (1310, 6032), (1508, 5240), (1703, 4640), (1885, 4192), (2080, 3799), (2096, 3770), (2320, 3406), (2620, 3016)]