12706360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4021}}^1$

素因数の和:4111

約数の個数: 32

約数和(自身を含む): 28958400

約数和(自身を除く): 16252040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4021, 8042, 16084, 20105, 32168, 40210, 80420, 160840, 317659, 635318, 1270636, 1588295, 2541272, 3176590, 6353180, 12706360]

約数ペア:

[(1, 12706360), (2, 6353180), (4, 3176590), (5, 2541272), (8, 1588295), (10, 1270636), (20, 635318), (40, 317659), (79, 160840), (158, 80420), (316, 40210), (395, 32168), (632, 20105), (790, 16084), (1580, 8042), (3160, 4021)]