40915456

素因数分解:

$2^9\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:684

約数の個数: 40

約数和(自身を含む): 82433340

約数和(自身を除く): 41517884

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 509, 512, 628, 1018, 1256, 2036, 2512, 4072, 5024, 8144, 10048, 16288, 20096, 32576, 40192, 65152, 79913, 80384, 130304, 159826, 260608, 319652, 639304, 1278608, 2557216, 5114432, 10228864, 20457728, 40915456]

約数ペア:

[(1, 40915456), (2, 20457728), (4, 10228864), (8, 5114432), (16, 2557216), (32, 1278608), (64, 639304), (128, 319652), (157, 260608), (256, 159826), (314, 130304), (509, 80384), (512, 79913), (628, 65152), (1018, 40192), (1256, 32576), (2036, 20096), (2512, 16288), (4072, 10048), (5024, 8144)]