40295408

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{37589}}^1$

素因数の和:37664

約数の個数: 20

約数和(自身を含む): 79239720

約数和(自身を除く): 38944312

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 37589, 75178, 150356, 300712, 601424, 2518463, 5036926, 10073852, 20147704, 40295408]

約数ペア:

[(1, 40295408), (2, 20147704), (4, 10073852), (8, 5036926), (16, 2518463), (67, 601424), (134, 300712), (268, 150356), (536, 75178), (1072, 37589)]