12551427800

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{399727}}^1$

素因数の和:399900

約数の個数: 48

約数和(自身を含む): 29368016160

約数和(自身を除く): 16816588360

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, 399727, 799454, 1598908, 1998635, 3197816, 3997270, 7994540, 9993175, 15989080, 19986350, 39972700, 62757139, 79945400, 125514278, 251028556, 313785695, 502057112, 627571390, 1255142780, 1568928475, 2510285560, 3137856950, 6275713900, 12551427800]

約数ペア:

[(1, 12551427800), (2, 6275713900), (4, 3137856950), (5, 2510285560), (8, 1568928475), (10, 1255142780), (20, 627571390), (25, 502057112), (40, 313785695), (50, 251028556), (100, 125514278), (157, 79945400), (200, 62757139), (314, 39972700), (628, 19986350), (785, 15989080), (1256, 9993175), (1570, 7994540), (3140, 3997270), (3925, 3197816), (6280, 1998635), (7850, 1598908), (15700, 799454), (31400, 399727)]