16390240

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1$

素因数の和:1255

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 22800800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1151, 1424, 1780, 2302, 2848, 3560, 4604, 5755, 7120, 9208, 11510, 14240, 18416, 23020, 36832, 46040, 92080, 102439, 184160, 204878, 409756, 512195, 819512, 1024390, 1639024, 2048780, 3278048, 4097560, 8195120, 16390240]

約数ペア:

[(1, 16390240), (2, 8195120), (4, 4097560), (5, 3278048), (8, 2048780), (10, 1639024), (16, 1024390), (20, 819512), (32, 512195), (40, 409756), (80, 204878), (89, 184160), (160, 102439), (178, 92080), (356, 46040), (445, 36832), (712, 23020), (890, 18416), (1151, 14240), (1424, 11510), (1780, 9208), (2302, 7120), (2848, 5755), (3560, 4604)]