16485680

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{821}}^1$

素因数の和:1085

約数の個数: 40

約数和(自身を含む): 38528784

約数和(自身を除く): 22043104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 821, 1004, 1255, 1642, 2008, 2510, 3284, 4016, 4105, 5020, 6568, 8210, 10040, 13136, 16420, 20080, 32840, 65680, 206071, 412142, 824284, 1030355, 1648568, 2060710, 3297136, 4121420, 8242840, 16485680]

約数ペア:

[(1, 16485680), (2, 8242840), (4, 4121420), (5, 3297136), (8, 2060710), (10, 1648568), (16, 1030355), (20, 824284), (40, 412142), (80, 206071), (251, 65680), (502, 32840), (821, 20080), (1004, 16420), (1255, 13136), (1642, 10040), (2008, 8210), (2510, 6568), (3284, 5020), (4016, 4105)]