21968480

素因数分解:

$2^5\times 5^1\times {\mathrm{137303}}^1$

素因数の和:137318

約数の個数: 24

約数和(自身を含む): 51900912

約数和(自身を除く): 29932432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 137303, 274606, 549212, 686515, 1098424, 1373030, 2196848, 2746060, 4393696, 5492120, 10984240, 21968480]

約数ペア:

[(1, 21968480), (2, 10984240), (4, 5492120), (5, 4393696), (8, 2746060), (10, 2196848), (16, 1373030), (20, 1098424), (32, 686515), (40, 549212), (80, 274606), (160, 137303)]