13431860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2719}}^1$

素因数の和:2760

約数の個数: 48

約数和(自身を含む): 31987200

約数和(自身を除く): 18555340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 2719, 4940, 5438, 10876, 13595, 27190, 35347, 51661, 54380, 70694, 103322, 141388, 176735, 206644, 258305, 353470, 516610, 671593, 706940, 1033220, 1343186, 2686372, 3357965, 6715930, 13431860]

約数ペア:

[(1, 13431860), (2, 6715930), (4, 3357965), (5, 2686372), (10, 1343186), (13, 1033220), (19, 706940), (20, 671593), (26, 516610), (38, 353470), (52, 258305), (65, 206644), (76, 176735), (95, 141388), (130, 103322), (190, 70694), (247, 54380), (260, 51661), (380, 35347), (494, 27190), (988, 13595), (1235, 10876), (2470, 5438), (2719, 4940)]