1571440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1511}}^1$

素因数の和:1537

約数の個数: 40

約数和(自身を含む): 3937248

約数和(自身を除く): 2365808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1511, 3022, 6044, 7555, 12088, 15110, 19643, 24176, 30220, 39286, 60440, 78572, 98215, 120880, 157144, 196430, 314288, 392860, 785720, 1571440]

約数ペア:

[(1, 1571440), (2, 785720), (4, 392860), (5, 314288), (8, 196430), (10, 157144), (13, 120880), (16, 98215), (20, 78572), (26, 60440), (40, 39286), (52, 30220), (65, 24176), (80, 19643), (104, 15110), (130, 12088), (208, 7555), (260, 6044), (520, 3022), (1040, 1511)]