40131728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 98077056

約数和(自身を除く): 57945328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 641, 688, 728, 1118, 1204, 1282, 1456, 2236, 2408, 2564, 3913, 4472, 4487, 4816, 5128, 7826, 8333, 8944, 8974, 10256, 15652, 16666, 17948, 27563, 31304, 33332, 35896, 55126, 58331, 62608, 66664, 71792, 110252, 116662, 133328, 192941, 220504, 233324, 358319, 385882, 441008, 466648, 716638, 771764, 933296, 1433276, 1543528, 2508233, 2866552, 3087056, 5016466, 5733104, 10032932, 20065864, 40131728]

約数ペア:

[(1, 40131728), (2, 20065864), (4, 10032932), (7, 5733104), (8, 5016466), (13, 3087056), (14, 2866552), (16, 2508233), (26, 1543528), (28, 1433276), (43, 933296), (52, 771764), (56, 716638), (86, 466648), (91, 441008), (104, 385882), (112, 358319), (172, 233324), (182, 220504), (208, 192941), (301, 133328), (344, 116662), (364, 110252), (559, 71792), (602, 66664), (641, 62608), (688, 58331), (728, 55126), (1118, 35896), (1204, 33332), (1282, 31304), (1456, 27563), (2236, 17948), (2408, 16666), (2564, 15652), (3913, 10256), (4472, 8974), (4487, 8944), (4816, 8333), (5128, 7826)]