40640480

素因数分解:

$2^5\times 5^1\times {\mathrm{254003}}^1$

素因数の和:254018

約数の個数: 24

約数和(自身を含む): 96013512

約数和(自身を除く): 55373032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 254003, 508006, 1016012, 1270015, 2032024, 2540030, 4064048, 5080060, 8128096, 10160120, 20320240, 40640480]

約数ペア:

[(1, 40640480), (2, 20320240), (4, 10160120), (5, 8128096), (8, 5080060), (10, 4064048), (16, 2540030), (20, 2032024), (32, 1270015), (40, 1016012), (80, 508006), (160, 254003)]