17722120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 43409520

約数和(自身を除く): 25687400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 197, 260, 346, 394, 520, 692, 788, 865, 985, 1384, 1576, 1730, 1970, 2249, 2561, 3460, 3940, 4498, 5122, 6920, 7880, 8996, 10244, 11245, 12805, 17992, 20488, 22490, 25610, 34081, 44980, 51220, 68162, 89960, 102440, 136324, 170405, 272648, 340810, 443053, 681620, 886106, 1363240, 1772212, 2215265, 3544424, 4430530, 8861060, 17722120]

約数ペア:

[(1, 17722120), (2, 8861060), (4, 4430530), (5, 3544424), (8, 2215265), (10, 1772212), (13, 1363240), (20, 886106), (26, 681620), (40, 443053), (52, 340810), (65, 272648), (104, 170405), (130, 136324), (173, 102440), (197, 89960), (260, 68162), (346, 51220), (394, 44980), (520, 34081), (692, 25610), (788, 22490), (865, 20488), (985, 17992), (1384, 12805), (1576, 11245), (1730, 10244), (1970, 8996), (2249, 7880), (2561, 6920), (3460, 5122), (3940, 4498)]