31610040220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6961}}^1\times {\mathrm{20641}}^1$

素因数の和:27622

約数の個数: 48

約数和(自身を含む): 72429640416

約数和(自身を除く): 40819600196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6961, 13922, 20641, 27844, 34805, 41282, 69610, 76571, 82564, 103205, 139220, 153142, 206410, 227051, 306284, 382855, 412820, 454102, 765710, 908204, 1135255, 1531420, 2270510, 4541020, 143682001, 287364002, 574728004, 718410005, 1436820010, 1580502011, 2873640020, 3161004022, 6322008044, 7902510055, 15805020110, 31610040220]

約数ペア:

[(1, 31610040220), (2, 15805020110), (4, 7902510055), (5, 6322008044), (10, 3161004022), (11, 2873640020), (20, 1580502011), (22, 1436820010), (44, 718410005), (55, 574728004), (110, 287364002), (220, 143682001), (6961, 4541020), (13922, 2270510), (20641, 1531420), (27844, 1135255), (34805, 908204), (41282, 765710), (69610, 454102), (76571, 412820), (82564, 382855), (103205, 306284), (139220, 227051), (153142, 206410)]