131026360

素因数分解:

$2^3\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{1831}}^1$

素因数の和:3631

約数の個数: 32

約数和(自身を含む): 295135200

約数和(自身を除く): 164108840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1789, 1831, 3578, 3662, 7156, 7324, 8945, 9155, 14312, 14648, 17890, 18310, 35780, 36620, 71560, 73240, 3275659, 6551318, 13102636, 16378295, 26205272, 32756590, 65513180, 131026360]

約数ペア:

[(1, 131026360), (2, 65513180), (4, 32756590), (5, 26205272), (8, 16378295), (10, 13102636), (20, 6551318), (40, 3275659), (1789, 73240), (1831, 71560), (3578, 36620), (3662, 35780), (7156, 18310), (7324, 17890), (8945, 14648), (9155, 14312)]