13127500

素因数分解:

$2^2\times 5^4\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 60

約数和(自身を含む): 29521800

約数和(自身を除く): 16394300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 89, 100, 118, 125, 178, 236, 250, 295, 356, 445, 500, 590, 625, 890, 1180, 1250, 1475, 1780, 2225, 2500, 2950, 4450, 5251, 5900, 7375, 8900, 10502, 11125, 14750, 21004, 22250, 26255, 29500, 36875, 44500, 52510, 55625, 73750, 105020, 111250, 131275, 147500, 222500, 262550, 525100, 656375, 1312750, 2625500, 3281875, 6563750, 13127500]

約数ペア:

[(1, 13127500), (2, 6563750), (4, 3281875), (5, 2625500), (10, 1312750), (20, 656375), (25, 525100), (50, 262550), (59, 222500), (89, 147500), (100, 131275), (118, 111250), (125, 105020), (178, 73750), (236, 55625), (250, 52510), (295, 44500), (356, 36875), (445, 29500), (500, 26255), (590, 22250), (625, 21004), (890, 14750), (1180, 11125), (1250, 10502), (1475, 8900), (1780, 7375), (2225, 5900), (2500, 5251), (2950, 4450)]