39887744

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23971}}^1$

素因数の和:23998

約数の個数: 32

約数和(自身を含む): 85580040

約数和(自身を除く): 45692296

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 23971, 47942, 95884, 191768, 311623, 383536, 623246, 767072, 1246492, 1534144, 2492984, 3068288, 4985968, 9971936, 19943872, 39887744]

約数ペア:

[(1, 39887744), (2, 19943872), (4, 9971936), (8, 4985968), (13, 3068288), (16, 2492984), (26, 1534144), (32, 1246492), (52, 767072), (64, 623246), (104, 383536), (128, 311623), (208, 191768), (416, 95884), (832, 47942), (1664, 23971)]