16281560

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{829}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 36752400

約数和(自身を除く): 20470840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 829, 982, 1658, 1964, 2455, 3316, 3928, 4145, 4910, 6632, 8290, 9820, 16580, 19640, 33160, 407039, 814078, 1628156, 2035195, 3256312, 4070390, 8140780, 16281560]

約数ペア:

[(1, 16281560), (2, 8140780), (4, 4070390), (5, 3256312), (8, 2035195), (10, 1628156), (20, 814078), (40, 407039), (491, 33160), (829, 19640), (982, 16580), (1658, 9820), (1964, 8290), (2455, 6632), (3316, 4910), (3928, 4145)]