13525000

素因数分解:

$2^3\times 5^5\times {\mathrm{541}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 31755780

約数和(自身を除く): 18230780

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 541, 625, 1000, 1082, 1250, 2164, 2500, 2705, 3125, 4328, 5000, 5410, 6250, 10820, 12500, 13525, 21640, 25000, 27050, 54100, 67625, 108200, 135250, 270500, 338125, 541000, 676250, 1352500, 1690625, 2705000, 3381250, 6762500, 13525000]

約数ペア:

[(1, 13525000), (2, 6762500), (4, 3381250), (5, 2705000), (8, 1690625), (10, 1352500), (20, 676250), (25, 541000), (40, 338125), (50, 270500), (100, 135250), (125, 108200), (200, 67625), (250, 54100), (500, 27050), (541, 25000), (625, 21640), (1000, 13525), (1082, 12500), (1250, 10820), (2164, 6250), (2500, 5410), (2705, 5000), (3125, 4328)]