2912128640

素因数分解:

$2^7\times 5^1\times {\mathrm{4550201}}^1$

素因数の和:4550220

約数の個数: 32

約数和(自身を含む): 6961809060

約数和(自身を除く): 4049680420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4550201, 9100402, 18200804, 22751005, 36401608, 45502010, 72803216, 91004020, 145606432, 182008040, 291212864, 364016080, 582425728, 728032160, 1456064320, 2912128640]

約数ペア:

[(1, 2912128640), (2, 1456064320), (4, 728032160), (5, 582425728), (8, 364016080), (10, 291212864), (16, 182008040), (20, 145606432), (32, 91004020), (40, 72803216), (64, 45502010), (80, 36401608), (128, 22751005), (160, 18200804), (320, 9100402), (640, 4550201)]