1250560

素因数分解:

$2^8\times 5^1\times {\mathrm{977}}^1$

素因数の和:998

約数の個数: 36

約数和(自身を含む): 2998548

約数和(自身を除く): 1747988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 977, 1280, 1954, 3908, 4885, 7816, 9770, 15632, 19540, 31264, 39080, 62528, 78160, 125056, 156320, 250112, 312640, 625280, 1250560]

約数ペア:

[(1, 1250560), (2, 625280), (4, 312640), (5, 250112), (8, 156320), (10, 125056), (16, 78160), (20, 62528), (32, 39080), (40, 31264), (64, 19540), (80, 15632), (128, 9770), (160, 7816), (256, 4885), (320, 3908), (640, 1954), (977, 1280)]