129626120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3511}}^1$

素因数の和:3606

約数の個数: 64

約数和(自身を含む): 318608640

約数和(自身を除く): 188982520

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, 1846, 2840, 3511, 3692, 4615, 7022, 7384, 9230, 14044, 17555, 18460, 28088, 35110, 36920, 45643, 70220, 91286, 140440, 182572, 228215, 249281, 365144, 456430, 498562, 912860, 997124, 1246405, 1825720, 1994248, 2492810, 3240653, 4985620, 6481306, 9971240, 12962612, 16203265, 25925224, 32406530, 64813060, 129626120]

約数ペア:

[(1, 129626120), (2, 64813060), (4, 32406530), (5, 25925224), (8, 16203265), (10, 12962612), (13, 9971240), (20, 6481306), (26, 4985620), (40, 3240653), (52, 2492810), (65, 1994248), (71, 1825720), (104, 1246405), (130, 997124), (142, 912860), (260, 498562), (284, 456430), (355, 365144), (520, 249281), (568, 228215), (710, 182572), (923, 140440), (1420, 91286), (1846, 70220), (2840, 45643), (3511, 36920), (3692, 35110), (4615, 28088), (7022, 18460), (7384, 17555), (9230, 14044)]