262645120

素因数分解:

$2^7\times 5^1\times {\mathrm{410383}}^1$

素因数の和:410402

約数の個数: 32

約数和(自身を含む): 627887520

約数和(自身を除く): 365242400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 410383, 820766, 1641532, 2051915, 3283064, 4103830, 6566128, 8207660, 13132256, 16415320, 26264512, 32830640, 52529024, 65661280, 131322560, 262645120]

約数ペア:

[(1, 262645120), (2, 131322560), (4, 65661280), (5, 52529024), (8, 32830640), (10, 26264512), (16, 16415320), (20, 13132256), (32, 8207660), (40, 6566128), (64, 4103830), (80, 3283064), (128, 2051915), (160, 1641532), (320, 820766), (640, 410383)]