13377920

素因数分解:

$2^7\times 5^1\times {\mathrm{20903}}^1$

素因数の和:20922

約数の個数: 32

約数和(自身を含む): 31983120

約数和(自身を除く): 18605200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20903, 41806, 83612, 104515, 167224, 209030, 334448, 418060, 668896, 836120, 1337792, 1672240, 2675584, 3344480, 6688960, 13377920]

約数ペア:

[(1, 13377920), (2, 6688960), (4, 3344480), (5, 2675584), (8, 1672240), (10, 1337792), (16, 836120), (20, 668896), (32, 418060), (40, 334448), (64, 209030), (80, 167224), (128, 104515), (160, 83612), (320, 41806), (640, 20903)]