16263440

素因数分解:

$2^4\times 5^1\times {\mathrm{203293}}^1$

素因数の和:203306

約数の個数: 20

約数和(自身を含む): 37812684

約数和(自身を除く): 21549244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 203293, 406586, 813172, 1016465, 1626344, 2032930, 3252688, 4065860, 8131720, 16263440]

約数ペア:

[(1, 16263440), (2, 8131720), (4, 4065860), (5, 3252688), (8, 2032930), (10, 1626344), (16, 1016465), (20, 813172), (40, 406586), (80, 203293)]