40331408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2823

約数の個数: 40

約数和(自身を含む): 85369536

約数和(自身を除く): 45038128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 2731, 3692, 5462, 7384, 10924, 14768, 21848, 35503, 43696, 71006, 142012, 193901, 284024, 387802, 568048, 775604, 1551208, 2520713, 3102416, 5041426, 10082852, 20165704, 40331408]

約数ペア:

[(1, 40331408), (2, 20165704), (4, 10082852), (8, 5041426), (13, 3102416), (16, 2520713), (26, 1551208), (52, 775604), (71, 568048), (104, 387802), (142, 284024), (208, 193901), (284, 142012), (568, 71006), (923, 43696), (1136, 35503), (1846, 21848), (2731, 14768), (3692, 10924), (5462, 7384)]