12549625600

素因数分解:

$2^8\times 5^2\times {\mathrm{1960879}}^1$

素因数の和:1960905

約数の個数: 54

約数和(自身を含む): 31062300080

約数和(自身を除く): 18512674480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 1960879, 3921758, 7843516, 9804395, 15687032, 19608790, 31374064, 39217580, 49021975, 62748128, 78435160, 98043950, 125496256, 156870320, 196087900, 250992512, 313740640, 392175800, 501985024, 627481280, 784351600, 1254962560, 1568703200, 2509925120, 3137406400, 6274812800, 12549625600]

約数ペア:

[(1, 12549625600), (2, 6274812800), (4, 3137406400), (5, 2509925120), (8, 1568703200), (10, 1254962560), (16, 784351600), (20, 627481280), (25, 501985024), (32, 392175800), (40, 313740640), (50, 250992512), (64, 196087900), (80, 156870320), (100, 125496256), (128, 98043950), (160, 78435160), (200, 62748128), (256, 49021975), (320, 39217580), (400, 31374064), (640, 19608790), (800, 15687032), (1280, 9804395), (1600, 7843516), (3200, 3921758), (6400, 1960879)]