1989518000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{32089}}^1$

素因数の和:32143

約数の個数: 80

約数和(自身を含む): 4965991680

約数和(自身を除く): 2976473680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 1000, 1240, 1550, 2000, 2480, 3100, 3875, 6200, 7750, 12400, 15500, 31000, 32089, 62000, 64178, 128356, 160445, 256712, 320890, 513424, 641780, 802225, 994759, 1283560, 1604450, 1989518, 2567120, 3208900, 3979036, 4011125, 4973795, 6417800, 7958072, 8022250, 9947590, 12835600, 15916144, 16044500, 19895180, 24868975, 32089000, 39790360, 49737950, 64178000, 79580720, 99475900, 124344875, 198951800, 248689750, 397903600, 497379500, 994759000, 1989518000]

約数ペア:

[(1, 1989518000), (2, 994759000), (4, 497379500), (5, 397903600), (8, 248689750), (10, 198951800), (16, 124344875), (20, 99475900), (25, 79580720), (31, 64178000), (40, 49737950), (50, 39790360), (62, 32089000), (80, 24868975), (100, 19895180), (124, 16044500), (125, 15916144), (155, 12835600), (200, 9947590), (248, 8022250), (250, 7958072), (310, 6417800), (400, 4973795), (496, 4011125), (500, 3979036), (620, 3208900), (775, 2567120), (1000, 1989518), (1240, 1604450), (1550, 1283560), (2000, 994759), (2480, 802225), (3100, 641780), (3875, 513424), (6200, 320890), (7750, 256712), (12400, 160445), (15500, 128356), (31000, 64178), (32089, 62000)]