18320320

素因数分解:

$2^6\times 5^1\times {\mathrm{57251}}^1$

素因数の和:57268

約数の個数: 28

約数和(自身を含む): 43626024

約数和(自身を除く): 25305704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 57251, 114502, 229004, 286255, 458008, 572510, 916016, 1145020, 1832032, 2290040, 3664064, 4580080, 9160160, 18320320]

約数ペア:

[(1, 18320320), (2, 9160160), (4, 4580080), (5, 3664064), (8, 2290040), (10, 1832032), (16, 1145020), (20, 916016), (32, 572510), (40, 458008), (64, 286255), (80, 229004), (160, 114502), (320, 57251)]