1288360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 2995200

約数和(自身を除く): 1706840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1039, 1240, 2078, 4156, 5195, 8312, 10390, 20780, 32209, 41560, 64418, 128836, 161045, 257672, 322090, 644180, 1288360]

約数ペア:

[(1, 1288360), (2, 644180), (4, 322090), (5, 257672), (8, 161045), (10, 128836), (20, 64418), (31, 41560), (40, 32209), (62, 20780), (124, 10390), (155, 8312), (248, 5195), (310, 4156), (620, 2078), (1039, 1240)]