841880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 2041200

約数和(自身を除く): 1199320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1619, 3238, 6476, 8095, 12952, 16190, 21047, 32380, 42094, 64760, 84188, 105235, 168376, 210470, 420940, 841880]

約数ペア:

[(1, 841880), (2, 420940), (4, 210470), (5, 168376), (8, 105235), (10, 84188), (13, 64760), (20, 42094), (26, 32380), (40, 21047), (52, 16190), (65, 12952), (104, 8095), (130, 6476), (260, 3238), (520, 1619)]