8282240

素因数分解:

$2^7\times 5^1\times {\mathrm{12941}}^1$

素因数の和:12960

約数の個数: 32

約数和(自身を含む): 19801260

約数和(自身を除く): 11519020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12941, 25882, 51764, 64705, 103528, 129410, 207056, 258820, 414112, 517640, 828224, 1035280, 1656448, 2070560, 4141120, 8282240]

約数ペア:

[(1, 8282240), (2, 4141120), (4, 2070560), (5, 1656448), (8, 1035280), (10, 828224), (16, 517640), (20, 414112), (32, 258820), (40, 207056), (64, 129410), (80, 103528), (128, 64705), (160, 51764), (320, 25882), (640, 12941)]