404236480

素因数分解:

$2^6\times 5^1\times {\mathrm{1263239}}^1$

素因数の和:1263256

約数の個数: 28

約数和(自身を含む): 962588880

約数和(自身を除く): 558352400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1263239, 2526478, 5052956, 6316195, 10105912, 12632390, 20211824, 25264780, 40423648, 50529560, 80847296, 101059120, 202118240, 404236480]

約数ペア:

[(1, 404236480), (2, 202118240), (4, 101059120), (5, 80847296), (8, 50529560), (10, 40423648), (16, 25264780), (20, 20211824), (32, 12632390), (40, 10105912), (64, 6316195), (80, 5052956), (160, 2526478), (320, 1263239)]