20130451210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{499391}}^1$

素因数の和:499566

約数の個数: 32

約数和(自身を含む): 37754035200

約数和(自身を除く): 17623583990

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 8062, 20155, 40310, 499391, 998782, 2496955, 4993910, 14482339, 28964678, 69415349, 72411695, 138830698, 144823390, 347076745, 694153490, 2013045121, 4026090242, 10065225605, 20130451210]

約数ペア:

[(1, 20130451210), (2, 10065225605), (5, 4026090242), (10, 2013045121), (29, 694153490), (58, 347076745), (139, 144823390), (145, 138830698), (278, 72411695), (290, 69415349), (695, 28964678), (1390, 14482339), (4031, 4993910), (8062, 2496955), (20155, 998782), (40310, 499391)]