71964880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69197}}^1$

素因数の和:69223

約数の個数: 40

約数和(自身を含む): 180191592

約数和(自身を除く): 108226712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69197, 138394, 276788, 345985, 553576, 691970, 899561, 1107152, 1383940, 1799122, 2767880, 3598244, 4497805, 5535760, 7196488, 8995610, 14392976, 17991220, 35982440, 71964880]

約数ペア:

[(1, 71964880), (2, 35982440), (4, 17991220), (5, 14392976), (8, 8995610), (10, 7196488), (13, 5535760), (16, 4497805), (20, 3598244), (26, 2767880), (40, 1799122), (52, 1383940), (65, 1107152), (80, 899561), (104, 691970), (130, 553576), (208, 345985), (260, 276788), (520, 138394), (1040, 69197)]