6441800

素因数分解:

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

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 15475200

約数和(自身を除く): 9033400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1039, 1240, 1550, 2078, 3100, 4156, 5195, 6200, 8312, 10390, 20780, 25975, 32209, 41560, 51950, 64418, 103900, 128836, 161045, 207800, 257672, 322090, 644180, 805225, 1288360, 1610450, 3220900, 6441800]

約数ペア:

[(1, 6441800), (2, 3220900), (4, 1610450), (5, 1288360), (8, 805225), (10, 644180), (20, 322090), (25, 257672), (31, 207800), (40, 161045), (50, 128836), (62, 103900), (100, 64418), (124, 51950), (155, 41560), (200, 32209), (248, 25975), (310, 20780), (620, 10390), (775, 8312), (1039, 6200), (1240, 5195), (1550, 4156), (2078, 3100)]