38964640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 109571616

約数和(自身を除く): 70606976

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 131, 143, 160, 169, 176, 208, 220, 260, 262, 286, 338, 352, 416, 440, 520, 524, 572, 655, 676, 715, 845, 880, 1040, 1048, 1144, 1310, 1352, 1430, 1441, 1690, 1703, 1760, 1859, 2080, 2096, 2288, 2620, 2704, 2860, 2882, 3380, 3406, 3718, 4192, 4576, 5240, 5408, 5720, 5764, 6760, 6812, 7205, 7436, 8515, 9295, 10480, 11440, 11528, 13520, 13624, 14410, 14872, 17030, 18590, 18733, 20960, 22139, 22880, 23056, 27040, 27248, 28820, 29744, 34060, 37180, 37466, 44278, 46112, 54496, 57640, 59488, 68120, 74360, 74932, 88556, 93665, 110695, 115280, 136240, 148720, 149864, 177112, 187330, 221390, 230560, 243529, 272480, 297440, 299728, 354224, 374660, 442780, 487058, 599456, 708448, 749320, 885560, 974116, 1217645, 1498640, 1771120, 1948232, 2435290, 2997280, 3542240, 3896464, 4870580, 7792928, 9741160, 19482320, 38964640]

約数ペア:

[(1, 38964640), (2, 19482320), (4, 9741160), (5, 7792928), (8, 4870580), (10, 3896464), (11, 3542240), (13, 2997280), (16, 2435290), (20, 1948232), (22, 1771120), (26, 1498640), (32, 1217645), (40, 974116), (44, 885560), (52, 749320), (55, 708448), (65, 599456), (80, 487058), (88, 442780), (104, 374660), (110, 354224), (130, 299728), (131, 297440), (143, 272480), (160, 243529), (169, 230560), (176, 221390), (208, 187330), (220, 177112), (260, 149864), (262, 148720), (286, 136240), (338, 115280), (352, 110695), (416, 93665), (440, 88556), (520, 74932), (524, 74360), (572, 68120), (655, 59488), (676, 57640), (715, 54496), (845, 46112), (880, 44278), (1040, 37466), (1048, 37180), (1144, 34060), (1310, 29744), (1352, 28820), (1430, 27248), (1441, 27040), (1690, 23056), (1703, 22880), (1760, 22139), (1859, 20960), (2080, 18733), (2096, 18590), (2288, 17030), (2620, 14872), (2704, 14410), (2860, 13624), (2882, 13520), (3380, 11528), (3406, 11440), (3718, 10480), (4192, 9295), (4576, 8515), (5240, 7436), (5408, 7205), (5720, 6812), (5764, 6760)]