40389128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4679}}^1$

素因数の和:4781

約数の個数: 32

約数和(自身を含む): 82555200

約数和(自身を除く): 42166072

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 4316, 4679, 8632, 9358, 18716, 37432, 60827, 121654, 243308, 388357, 486616, 776714, 1553428, 3106856, 5048641, 10097282, 20194564, 40389128]

約数ペア:

[(1, 40389128), (2, 20194564), (4, 10097282), (8, 5048641), (13, 3106856), (26, 1553428), (52, 776714), (83, 486616), (104, 388357), (166, 243308), (332, 121654), (664, 60827), (1079, 37432), (2158, 18716), (4316, 9358), (4679, 8632)]