80505828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{172021}}^1$

素因数の和:172044

約数の個数: 36

約数和(自身を含む): 219156028

約数和(自身を除く): 138650200

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 172021, 344042, 516063, 688084, 1032126, 1548189, 2064252, 2236273, 3096378, 4472546, 6192756, 6708819, 8945092, 13417638, 20126457, 26835276, 40252914, 80505828]

約数ペア:

[(1, 80505828), (2, 40252914), (3, 26835276), (4, 20126457), (6, 13417638), (9, 8945092), (12, 6708819), (13, 6192756), (18, 4472546), (26, 3096378), (36, 2236273), (39, 2064252), (52, 1548189), (78, 1032126), (117, 688084), (156, 516063), (234, 344042), (468, 172021)]