1253372800

素因数分解:

$2^7\times 5^2\times {\mathrm{391679}}^1$

素因数の和:391703

約数の個数: 48

約数和(自身を含む): 3096230400

約数和(自身を除く): 1842857600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 391679, 783358, 1566716, 1958395, 3133432, 3916790, 6266864, 7833580, 9791975, 12533728, 15667160, 19583950, 25067456, 31334320, 39167900, 50134912, 62668640, 78335800, 125337280, 156671600, 250674560, 313343200, 626686400, 1253372800]

約数ペア:

[(1, 1253372800), (2, 626686400), (4, 313343200), (5, 250674560), (8, 156671600), (10, 125337280), (16, 78335800), (20, 62668640), (25, 50134912), (32, 39167900), (40, 31334320), (50, 25067456), (64, 19583950), (80, 15667160), (100, 12533728), (128, 9791975), (160, 7833580), (200, 6266864), (320, 3916790), (400, 3133432), (640, 1958395), (800, 1566716), (1600, 783358), (3200, 391679)]