13086560

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 31298400

約数和(自身を除く): 18211840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 919, 1424, 1780, 1838, 2848, 3560, 3676, 4595, 7120, 7352, 9190, 14240, 14704, 18380, 29408, 36760, 73520, 81791, 147040, 163582, 327164, 408955, 654328, 817910, 1308656, 1635820, 2617312, 3271640, 6543280, 13086560]

約数ペア:

[(1, 13086560), (2, 6543280), (4, 3271640), (5, 2617312), (8, 1635820), (10, 1308656), (16, 817910), (20, 654328), (32, 408955), (40, 327164), (80, 163582), (89, 147040), (160, 81791), (178, 73520), (356, 36760), (445, 29408), (712, 18380), (890, 14704), (919, 14240), (1424, 9190), (1780, 7352), (1838, 7120), (2848, 4595), (3560, 3676)]