130445440

素因数分解:

$2^7\times 5^1\times {\mathrm{203821}}^1$

素因数の和:203840

約数の個数: 32

約数和(自身を含む): 311847660

約数和(自身を除く): 181402220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 203821, 407642, 815284, 1019105, 1630568, 2038210, 3261136, 4076420, 6522272, 8152840, 13044544, 16305680, 26089088, 32611360, 65222720, 130445440]

約数ペア:

[(1, 130445440), (2, 65222720), (4, 32611360), (5, 26089088), (8, 16305680), (10, 13044544), (16, 8152840), (20, 6522272), (32, 4076420), (40, 3261136), (64, 2038210), (80, 1630568), (128, 1019105), (160, 815284), (320, 407642), (640, 203821)]