1628893670480

素因数分解:

$2^4\times 5^1\times {\mathrm{80789}}^1\times {\mathrm{252029}}^1$

素因数の和:332831

約数の個数: 40

約数和(自身を含む): 3787239688200

約数和(自身を除く): 2158346017720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 80789, 161578, 252029, 323156, 403945, 504058, 646312, 807890, 1008116, 1260145, 1292624, 1615780, 2016232, 2520290, 3231560, 4032464, 5040580, 6463120, 10081160, 20162320, 20361170881, 40722341762, 81444683524, 101805854405, 162889367048, 203611708810, 325778734096, 407223417620, 814446835240, 1628893670480]

約数ペア:

[(1, 1628893670480), (2, 814446835240), (4, 407223417620), (5, 325778734096), (8, 203611708810), (10, 162889367048), (16, 101805854405), (20, 81444683524), (40, 40722341762), (80, 20361170881), (80789, 20162320), (161578, 10081160), (252029, 6463120), (323156, 5040580), (403945, 4032464), (504058, 3231560), (646312, 2520290), (807890, 2016232), (1008116, 1615780), (1260145, 1292624)]