201809120

素因数分解:

$2^5\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1291}}^1$

素因数の和:2283

約数の個数: 48

約数和(自身を含む): 477631728

約数和(自身を除く): 275822608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 977, 1291, 1954, 2582, 3908, 4885, 5164, 6455, 7816, 9770, 10328, 12910, 15632, 19540, 20656, 25820, 31264, 39080, 41312, 51640, 78160, 103280, 156320, 206560, 1261307, 2522614, 5045228, 6306535, 10090456, 12613070, 20180912, 25226140, 40361824, 50452280, 100904560, 201809120]

約数ペア:

[(1, 201809120), (2, 100904560), (4, 50452280), (5, 40361824), (8, 25226140), (10, 20180912), (16, 12613070), (20, 10090456), (32, 6306535), (40, 5045228), (80, 2522614), (160, 1261307), (977, 206560), (1291, 156320), (1954, 103280), (2582, 78160), (3908, 51640), (4885, 41312), (5164, 39080), (6455, 31264), (7816, 25820), (9770, 20656), (10328, 19540), (12910, 15632)]