16514840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4639}}^1$

素因数の和:4739

約数の個数: 32

約数和(自身を含む): 37584000

約数和(自身を除く): 21069160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4639, 9278, 18556, 23195, 37112, 46390, 92780, 185560, 412871, 825742, 1651484, 2064355, 3302968, 4128710, 8257420, 16514840]

約数ペア:

[(1, 16514840), (2, 8257420), (4, 4128710), (5, 3302968), (8, 2064355), (10, 1651484), (20, 825742), (40, 412871), (89, 185560), (178, 92780), (356, 46390), (445, 37112), (712, 23195), (890, 18556), (1780, 9278), (3560, 4639)]