2012457400

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{64091}}^1$

素因数の和:64264

約数の個数: 48

約数和(自身を含む): 4708839240

約数和(自身を除く): 2696381840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 628, 785, 1256, 1570, 3140, 3925, 6280, 7850, 15700, 31400, 64091, 128182, 256364, 320455, 512728, 640910, 1281820, 1602275, 2563640, 3204550, 6409100, 10062287, 12818200, 20124574, 40249148, 50311435, 80498296, 100622870, 201245740, 251557175, 402491480, 503114350, 1006228700, 2012457400]

約数ペア:

[(1, 2012457400), (2, 1006228700), (4, 503114350), (5, 402491480), (8, 251557175), (10, 201245740), (20, 100622870), (25, 80498296), (40, 50311435), (50, 40249148), (100, 20124574), (157, 12818200), (200, 10062287), (314, 6409100), (628, 3204550), (785, 2563640), (1256, 1602275), (1570, 1281820), (3140, 640910), (3925, 512728), (6280, 320455), (7850, 256364), (15700, 128182), (31400, 64091)]