137996560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132689}}^1$

素因数の和:132715

約数の個数: 40

約数和(自身を含む): 345524760

約数和(自身を除く): 207528200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 132689, 265378, 530756, 663445, 1061512, 1326890, 1724957, 2123024, 2653780, 3449914, 5307560, 6899828, 8624785, 10615120, 13799656, 17249570, 27599312, 34499140, 68998280, 137996560]

約数ペア:

[(1, 137996560), (2, 68998280), (4, 34499140), (5, 27599312), (8, 17249570), (10, 13799656), (13, 10615120), (16, 8624785), (20, 6899828), (26, 5307560), (40, 3449914), (52, 2653780), (65, 2123024), (80, 1724957), (104, 1326890), (130, 1061512), (208, 663445), (260, 530756), (520, 265378), (1040, 132689)]