78568360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1250

約数の個数: 64

約数和(自身を含む): 191923200

約数和(自身を除く): 113354840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1087, 1112, 1390, 1807, 2174, 2780, 3614, 4348, 5435, 5560, 7228, 8696, 9035, 10870, 14131, 14456, 18070, 21740, 28262, 36140, 43480, 56524, 70655, 72280, 113048, 141310, 151093, 282620, 302186, 565240, 604372, 755465, 1208744, 1510930, 1964209, 3021860, 3928418, 6043720, 7856836, 9821045, 15713672, 19642090, 39284180, 78568360]

約数ペア:

[(1, 78568360), (2, 39284180), (4, 19642090), (5, 15713672), (8, 9821045), (10, 7856836), (13, 6043720), (20, 3928418), (26, 3021860), (40, 1964209), (52, 1510930), (65, 1208744), (104, 755465), (130, 604372), (139, 565240), (260, 302186), (278, 282620), (520, 151093), (556, 141310), (695, 113048), (1087, 72280), (1112, 70655), (1390, 56524), (1807, 43480), (2174, 36140), (2780, 28262), (3614, 21740), (4348, 18070), (5435, 14456), (5560, 14131), (7228, 10870), (8696, 9035)]