55786120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1606

約数の個数: 64

約数和(自身を含む): 137168640

約数和(自身を除く): 81382520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1511, 1846, 2840, 3022, 3692, 4615, 6044, 7384, 7555, 9230, 12088, 15110, 18460, 19643, 30220, 36920, 39286, 60440, 78572, 98215, 107281, 157144, 196430, 214562, 392860, 429124, 536405, 785720, 858248, 1072810, 1394653, 2145620, 2789306, 4291240, 5578612, 6973265, 11157224, 13946530, 27893060, 55786120]

約数ペア:

[(1, 55786120), (2, 27893060), (4, 13946530), (5, 11157224), (8, 6973265), (10, 5578612), (13, 4291240), (20, 2789306), (26, 2145620), (40, 1394653), (52, 1072810), (65, 858248), (71, 785720), (104, 536405), (130, 429124), (142, 392860), (260, 214562), (284, 196430), (355, 157144), (520, 107281), (568, 98215), (710, 78572), (923, 60440), (1420, 39286), (1511, 36920), (1846, 30220), (2840, 19643), (3022, 18460), (3692, 15110), (4615, 12088), (6044, 9230), (7384, 7555)]