2603120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2503}}^1$

素因数の和:2529

約数の個数: 40

約数和(自身を含む): 6520416

約数和(自身を除く): 3917296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2503, 5006, 10012, 12515, 20024, 25030, 32539, 40048, 50060, 65078, 100120, 130156, 162695, 200240, 260312, 325390, 520624, 650780, 1301560, 2603120]

約数ペア:

[(1, 2603120), (2, 1301560), (4, 650780), (5, 520624), (8, 325390), (10, 260312), (13, 200240), (16, 162695), (20, 130156), (26, 100120), (40, 65078), (52, 50060), (65, 40048), (80, 32539), (104, 25030), (130, 20024), (208, 12515), (260, 10012), (520, 5006), (1040, 2503)]