16400480

素因数分解:

$2^5\times 5^1\times {\mathrm{102503}}^1$

素因数の和:102518

約数の個数: 24

約数和(自身を含む): 38746512

約数和(自身を除く): 22346032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 102503, 205006, 410012, 512515, 820024, 1025030, 1640048, 2050060, 3280096, 4100120, 8200240, 16400480]

約数ペア:

[(1, 16400480), (2, 8200240), (4, 4100120), (5, 3280096), (8, 2050060), (10, 1640048), (16, 1025030), (20, 820024), (32, 512515), (40, 410012), (80, 205006), (160, 102503)]