221120

素因数分解:

$2^6\times 5^1\times {\mathrm{691}}^1$

素因数の和:708

約数の個数: 28

約数和(自身を含む): 527304

約数和(自身を除く): 306184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 691, 1382, 2764, 3455, 5528, 6910, 11056, 13820, 22112, 27640, 44224, 55280, 110560, 221120]

約数ペア:

[(1, 221120), (2, 110560), (4, 55280), (5, 44224), (8, 27640), (10, 22112), (16, 13820), (20, 11056), (32, 6910), (40, 5528), (64, 3455), (80, 2764), (160, 1382), (320, 691)]