139441880

素因数分解:

$2^3\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{2539}}^1$

素因数の和:3923

約数の個数: 32

約数和(自身を含む): 314096400

約数和(自身を除く): 174654520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1373, 2539, 2746, 5078, 5492, 6865, 10156, 10984, 12695, 13730, 20312, 25390, 27460, 50780, 54920, 101560, 3486047, 6972094, 13944188, 17430235, 27888376, 34860470, 69720940, 139441880]

約数ペア:

[(1, 139441880), (2, 69720940), (4, 34860470), (5, 27888376), (8, 17430235), (10, 13944188), (20, 6972094), (40, 3486047), (1373, 101560), (2539, 54920), (2746, 50780), (5078, 27460), (5492, 25390), (6865, 20312), (10156, 13730), (10984, 12695)]