40387984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27739}}^1$

素因数の和:27767

約数の個数: 40

約数和(自身を含む): 96313280

約数和(自身を除く): 55925296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 27739, 55478, 110956, 194173, 221912, 360607, 388346, 443824, 721214, 776692, 1442428, 1553384, 2524249, 2884856, 3106768, 5048498, 5769712, 10096996, 20193992, 40387984]

約数ペア:

[(1, 40387984), (2, 20193992), (4, 10096996), (7, 5769712), (8, 5048498), (13, 3106768), (14, 2884856), (16, 2524249), (26, 1553384), (28, 1442428), (52, 776692), (56, 721214), (91, 443824), (104, 388346), (112, 360607), (182, 221912), (208, 194173), (364, 110956), (728, 55478), (1456, 27739)]