12814840

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1399}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 28980000

約数和(自身を除く): 16165160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1399, 1832, 2290, 2798, 4580, 5596, 6995, 9160, 11192, 13990, 27980, 55960, 320371, 640742, 1281484, 1601855, 2562968, 3203710, 6407420, 12814840]

約数ペア:

[(1, 12814840), (2, 6407420), (4, 3203710), (5, 2562968), (8, 1601855), (10, 1281484), (20, 640742), (40, 320371), (229, 55960), (458, 27980), (916, 13990), (1145, 11192), (1399, 9160), (1832, 6995), (2290, 5596), (2798, 4580)]