68793880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12373}}^1$

素因数の和:12523

約数の個数: 32

約数和(自身を含む): 155912400

約数和(自身を除く): 87118520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12373, 24746, 49492, 61865, 98984, 123730, 247460, 494920, 1719847, 3439694, 6879388, 8599235, 13758776, 17198470, 34396940, 68793880]

約数ペア:

[(1, 68793880), (2, 34396940), (4, 17198470), (5, 13758776), (8, 8599235), (10, 6879388), (20, 3439694), (40, 1719847), (139, 494920), (278, 247460), (556, 123730), (695, 98984), (1112, 61865), (1390, 49492), (2780, 24746), (5560, 12373)]