17415520

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1327

約数の個数: 48

約数和(自身を含む): 41640480

約数和(自身を除く): 24224960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1223, 1424, 1780, 2446, 2848, 3560, 4892, 6115, 7120, 9784, 12230, 14240, 19568, 24460, 39136, 48920, 97840, 108847, 195680, 217694, 435388, 544235, 870776, 1088470, 1741552, 2176940, 3483104, 4353880, 8707760, 17415520]

約数ペア:

[(1, 17415520), (2, 8707760), (4, 4353880), (5, 3483104), (8, 2176940), (10, 1741552), (16, 1088470), (20, 870776), (32, 544235), (40, 435388), (80, 217694), (89, 195680), (160, 108847), (178, 97840), (356, 48920), (445, 39136), (712, 24460), (890, 19568), (1223, 14240), (1424, 12230), (1780, 9784), (2446, 7120), (2848, 6115), (3560, 4892)]